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Why The Other two angles of a triangle must be acute if one angle is right?
Wiki User
∙ 9y ago
The total degrees of a triangle is 180. If you use 90 on one right angle, the other two only have 90 left between them. Two angles that add up to 90 must be acute.
Wiki User
∙ 9y ago
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How do you classify a triangle by its angles?
If all three angles of a triangle measure less that 90 degrees (if all three angles are acute), the triangle is an acute triangle. A triangle that has a right angle (an angle the measures exactly 90 degrees) is a right triangle. (The other 2 angles will be acute angles.) A triangle that has an angle that is greater than 90 degrees (an obtuse angle), is an obtuse triangle. (The other 2 angles will be acute angles.)
How many obtuse angles are in a acute triangle?
None. An acute triangle is one in which all angles are acute. An obtuse triangle is one in which one of the angles is obtuse. A right angled triangle is one in which one angle is a right angle (90o)
What does a right acute triangle look like?
Such a triangle would presumably have one right angle, and two acute angles. A right angle has a measure of 90 degrees; an acute angle has a measure of less than 90 degrees. Since both of the other two angles in a right triangle must be acute angles, you'd think at first that every right triangle must be a right acute triangle. But when you go and look up the definition of an "acute triangle", it turns out to be a triangle in which all three angles are acute. So the fact is that there's no such thing as a right acute triangle, because the 90-degree angle in a right triangle is not acute.
What triangle has 2 acute angles?
In Euclidean geometry a right angle triangle has two acute angles. All others have three.
What is the measure of the third angle of a right triangle if one of the angles measures 50 degrees?
The other acute angle in that triangle is 40 degrees.
How do you classify a triangle by its angles?
If all three angles of a triangle measure less that 90 degrees (if all three angles are acute), the triangle is an acute triangle. A triangle that has a right angle (an angle the measures exactly 90 degrees) is a right triangle. (The other 2 angles will be acute angles.) A triangle that has an angle that is greater than 90 degrees (an obtuse angle), is an obtuse triangle. (The other 2 angles will be acute angles.)
If angle 3 is actue what is the other angles?
The question appears to relate to the angles of a triangle. 1) If angle 3 is acute then the other two angles can also be acute. In the case of an equilateral triangle all three angles are equal and acute. 2) If angle 3 is acute and one other angle is obtuse then the remaining angle is acute. 3) If angle 3 is acute and one other angle is a right angle then the remaining angle is acute.
Can a triangle with a obtuse angle have two acute angles?
Yes. A triangle can have only one obtuse angle. The other two angles will always be acute.
Is pyhtagoras theorem valid for acute angle triangle?
Yes providing that one angle is a right angle and the other two angles are acute angles
One acute angle of a triangle measures 20 what is the measure of the other acute angle?
That depends on the sizes of the other 2 angles if it's a right angle triangle then the other acute angle would be 70 degrees.
All angles in a scalene triangle are acute?
A scalene triangle could have three acute angles, one right angle and two acute angles, or one obtuse angle and two acute angles.
If two angles of a triangle are acute must the the third angle always be acute?
No. In fact, if one of the angles is not acute (a right angle or obtuse), the other two must be acute.
What are the different kinds of angles and triangle according to size and its angles?
Angles: acute angle, obtuse angle, right angle Triangles: isosoles triangle, scalene triangle, equadrital triangle, right triangle, acute triangle, obtuse triangle
Can a triangle have a right angle and an acute angle?
No A right angle has 90 degree A triangle has 180 degreeYes, a right triangle has one right angle and two acute angles. The sum of the acute angles is 90°.
A triangle with two acute can be called a right angle?
Right triangles have two acute angles, but that doesn't make them right. Having a right angle makes them right.
Does and acute has a right angle and two acute angles?
no an acute triangle does not have a right angle. if it had a right angle, it would be called a right triangle. to be an acute triangle, the triangle needs two angles that are smaller than 90 degrees.
How many right angle does a rightt angle triangle have?
Just the one and the other two angles are acute angles
