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Earn +20 ptsQ: Are vertex angles always acute
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Continue Learning about Geometry
How many acute angles does a trapezoid have?
A trapezoid always has two acute angles. the base angles have to be acute because the lower base angles and the upper base angles are complementary so since the upper base angle is always obtuse, the lower base angles have to be acute.
Are alternative interior angles always acute?
no
If the vertex angles of two isosceles triangles are congruent are the triangles always similar?
Yes, they are.
A triangle that has three 3 acute angles is a what?
A triangle with 3 acute angles is an acute triangle. All the angles in an acute triangle are acute.
What is the converse of adjacent angles have a common vertex?
If two angles do not have a common vertex they cannot be adjacent angles.
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