Question

a triangle has angle. measures of 20 degree, 70 degrees, and 90 degrees, classify the triangle by its angles.

Answer 1

Answer:

Right angled triangle.

Explanation:

We want to classify the triangle by its angles.

Given the angles;

$20^{\circ},70^{\circ},90^{\circ}$

Since one of the angles is a right angle 90 degree, then the triangle is a Right angled triangle.