Question

Two angles of a triangle of equal measures and each is one- fourth the
measure of third angle.
a) Find all the angles of the triangle
b) Name the triangle based on its angles.

Answer 1

Answer:

(a)120°,30°,30°

(b)isosceles triangle

Step-by-step explanation:

(a)Let the 3rd angle be x

then, x+x/4+x/4=180° (angle sum property of triangle)

4x+x+x/4=180°

6x/4=180°

6x=180×4

6x=720

x=720/6

x=120°

x/4=120/4=30°

Hope it helps you

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Answer 2

Step-by-step explanation:

4×+×+×/4 = 180°

6×/4=180×4

6× =720

× = 720 / 6

× = 120°