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In a triangle if all degrees are known and one side length is known how do you find out the other two sides length?
Trigonometry
Plug in your value for the sides to find the angle. Opposite and adjacent refer to the location of the angle. For example, to find the angle opposite one side and adjacent to another, use the tangent trigonometric identity. To find the angle opposite one side and with the hypotenuse side, use the sine.
sin(x) = opposite side/ hypotenuse side
cos(x) = adjacent side/ hypotenuse side
tan(x) = opposite side/ adjacent side
tan(x) = sin(x)/cos(x)
Remember the acronym
SOH CAH TOA
S O H
i p y
n p p
e o o
s t
i e
t n
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s
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What else can I help you with?
Area of an isosceles right angled triangle?
The area of a right angled triangle would be .5 * length *width where the length is the height of the triangle. To find the height of the triangle, take the sine of 45 degrees, which is the degree of the angles other than the 90 degrees, and multiply it by the length of one of the two equal sides. The width of the triangle is the length of the bottom side.
What is the length of the third side of a triangle when the other sides are 17 cm in length with an angle of 45 degrees between them?
Using the cosine rule: 13.0112367 cm The triangle is in fact an isosceles triangle.
Which is a triangle with two sides the same length and an interior angle measuring 100 degrees?
It is an isosceles triangle and the other 2 angles will each measure 40 degrees
How does the Pythagorean Theorem work?
The Pythagorean Theorem explains (or permits calculation of) the length of one side of a right triangle if the lengths of the other two sides are known. A right triangle is a triangle in which one of the three angles is a right angle (i.e. it has 90 degrees) For that kind of triangle, if A = the length of one of the sides making the right angle, B = the length of the other side making the right triangle, and C = the length of the side opposite to the right angle (also called the hypotenuse, then C2 = A2 + B2
Can an isoceles triangle have a right angle?
Yes it can. If it does, it's called an "isosceles right triangle". The other two angles are each 45 degrees, and the triangle's legs both have the same length.
Area of an isosceles right angled triangle?
The area of a right angled triangle would be .5 * length *width where the length is the height of the triangle. To find the height of the triangle, take the sine of 45 degrees, which is the degree of the angles other than the 90 degrees, and multiply it by the length of one of the two equal sides. The width of the triangle is the length of the bottom side.
What is the length of the third side of a triangle when the other sides are 17 cm in length with an angle of 45 degrees between them?
Using the cosine rule: 13.0112367 cm The triangle is in fact an isosceles triangle.
Which is a triangle with two sides the same length and an interior angle measuring 100 degrees?
It is an isosceles triangle and the other 2 angles will each measure 40 degrees
What is the side of equilateral triangle with each angle 60 degrees?
Other than to say the three sides are of equal length, you cannot get the length of the sides of a triangle knowing only its angles. Also, each angle MUST be 60 degrees in order to qualify as an equilateral triangle.
How does the Pythagorean Theorem work?
The Pythagorean Theorem explains (or permits calculation of) the length of one side of a right triangle if the lengths of the other two sides are known. A right triangle is a triangle in which one of the three angles is a right angle (i.e. it has 90 degrees) For that kind of triangle, if A = the length of one of the sides making the right angle, B = the length of the other side making the right triangle, and C = the length of the side opposite to the right angle (also called the hypotenuse, then C2 = A2 + B2
Can an isoceles triangle have a right angle?
Yes it can. If it does, it's called an "isosceles right triangle". The other two angles are each 45 degrees, and the triangle's legs both have the same length.
What is triangle that has angles that measure 30 60 90 degrees?
A triangle with angles that measure 30, 60, and 90 degrees is a special type of right triangle known as a 30-60-90 triangle. In this triangle, the side opposite the 30-degree angle is half the length of the hypotenuse, and the side opposite the 60-degree angle is √3 times the length of the side opposite the 30-degree angle. This relationship is based on the properties of trigonometry and the ratios of the sides in a 30-60-90 triangle.
What is an ambiguous triangle?
The answer may refer to a triangle for which the length of two sides and the measure of an angle - other than the included angle - are known.
An isosceles triangle has base angles of 30 degrees what is the length of the other angle?
180 - (30 + 30) ie 120o
What is the length of the longest side of an acute triangle?
a triangle size can vary from a millimeter to a mile! So the length can vary anywhere from a millimeter to mile. If you are referring to the degree measure, anything that is lower that 90 degrees, that adds up with the other two angles to equal 180 degrees.
What triangle has angles of 71 degrees and 62 degrees?
A scalene triangle and the other angle is 47 degrees
What is the measure of a triangle if one angle measures 57 degrees?
The inner angles of a triangle will always add up to 180. Assuming that this particular triangle is a right triangle (that is, one of it's angles is 90 degrees), you can find the other angle by subtracting the known angles from 180: 180 - 57 - 90 = 33 degrees If the triangle is an equilateral or a scalene triangle, the other angles cannot be calculated without additional information.
