What is the greatest number of right angles that a triangle can contain
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1 (APEX)
A triangle is formed by three lines. If the ends of two lines
meet to form a right-angle (90 degrees), the third line can only
form angles less than 90 degrees.
90 + 45 + 45 = 180 the three angles must total 180 degrees.
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Term1/20
Are some isosceles triangles equilateral triangles
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Yep. All equilateral triangles are isosceles triangles.
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Some equilateral triangles are not isosceles
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False
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A triangle has two sides that have lengths of 8 cm and 14 cm what lengths could not represent the length of the third side
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Definition1/20
7cm
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Term1/20
What is the sum of two acute angles of a right triangle
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Definition1/20
The sum of two acute angles of a right triangle must equal 90
degrees.
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Term1/20
Is it possible to build a triangle with side lengths of 9 4 and 15
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No
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Term1/20
AAA guarantees congruence between two triangles
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Definition1/20
False
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Term1/20
Triangle has two sides of length 4 and 15 What value could the length of the third side be
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The third side must be longer than 11 and shorter than 19.
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Term1/20
Which of the following is the statement of the Triangle Inequality Theorem
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The sum of the lengths of any two sides of a triangle is greater
than the length of the third side.
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Term1/20
MNO PQR If so name the congruence postulate that applies
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Congruent - SSS
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What is the triangle that has the lengths of at least two sides
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An EQUILATERAL triangle has all three sides the same length.
An ISOSCELES triangle has two sides with the same length.
A SCALENE triangle has all three sides different lengths.
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What is 133 percent of 90
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119.7, couldn't figure that out yourself? 90 x .133 = 119.7
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Is It possible to build a triangle with side lengths 3 3 9
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No, it is not.
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Can a triangle have both an acute an a right angle true or false
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It is true because a triangle with a right angle and two acute
angles is a right angle triangle.
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Which is a true statement about a exterior angle of a triangle
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180 degrees minus interior angle = exterior angle and that the 3
exterior angles of a triangle add up to 360 degrees.
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A triangle with two acute angles must be a right triangle.
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Only if the right triangle contains a 90 degree angle and 2
acute angles that add up to 90 degrees
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The segments shown below could form a triangle
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No, it could not. A triangle cannot have a perimeter of length
zero.
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A triangle has sides measuring 8 inches and 12 inches. If x represents the length in inches of the third side which inequality gives the range of possible values for x
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4 < x < 20
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Could segments 1 8 8 form a triangle
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Yes and it would be in the form of an isosceles triangle
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Cards in this guide (20)
What is the value of p
q-1
What is the greatest number of right angles that a triangle can contain
1 (APEX)
A triangle is formed by three lines. If the ends of two lines
meet to form a right-angle (90 degrees), the third line can only
form angles less than 90 degrees.
90 + 45 + 45 = 180 the three angles must total 180 degrees.
Are some isosceles triangles equilateral triangles
Yep. All equilateral triangles are isosceles triangles.
Some equilateral triangles are not isosceles
False
A triangle has two sides that have lengths of 8 cm and 14 cm what lengths could not represent the length of the third side
7cm
What is the sum of two acute angles of a right triangle
The sum of two acute angles of a right triangle must equal 90
degrees.
Is it possible to build a triangle with side lengths of 9 4 and 15
No
AAA guarantees congruence between two triangles
False
Triangle has two sides of length 4 and 15 What value could the length of the third side be
The third side must be longer than 11 and shorter than 19.
Which of the following is the statement of the Triangle Inequality Theorem
The sum of the lengths of any two sides of a triangle is greater
than the length of the third side.
MNO PQR If so name the congruence postulate that applies
Congruent - SSS
What is the triangle that has the lengths of at least two sides
An EQUILATERAL triangle has all three sides the same length.
An ISOSCELES triangle has two sides with the same length.
A SCALENE triangle has all three sides different lengths.
What is 133 percent of 90
119.7, couldn't figure that out yourself? 90 x .133 = 119.7
Is It possible to build a triangle with side lengths 3 3 9
No, it is not.
Can a triangle have both an acute an a right angle true or false
It is true because a triangle with a right angle and two acute
angles is a right angle triangle.
Which is a true statement about a exterior angle of a triangle
180 degrees minus interior angle = exterior angle and that the 3
exterior angles of a triangle add up to 360 degrees.
A triangle with two acute angles must be a right triangle.
Only if the right triangle contains a 90 degree angle and 2
acute angles that add up to 90 degrees
The segments shown below could form a triangle
No, it could not. A triangle cannot have a perimeter of length
zero.
A triangle has sides measuring 8 inches and 12 inches. If x represents the length in inches of the third side which inequality gives the range of possible values for x
4 < x < 20
Could segments 1 8 8 form a triangle
Yes and it would be in the form of an isosceles triangle