Question

1. Two angles of a triangle are 30° and 80°. Find the third angle.
2. One of the angles of a triangle is 80° and the other two angles are equal. Find the
measure of each of the equal angles.
3. The three angles of a triangle are in the ratio 1:2:1. Find all the angles of the triangle,
Classify the triangle in two different ways.​

Answer 1

Answer:

30 + 80 + x equal to 180 (sum of triangle

Step-by-step explanation:

80+2x=180 so it is 180 - 80 equal 100 1 divided by 2 do we get 50 so the angle 50 50 80