Question

5. Find the third angle of the following triangles:
a. triangleABC, where A=65°, B = 75°, C=?
b. triangleDEF, where D=90°, E=?, F= 450.
5. Draw and classify the following angles as acute, obtuse, reflex angles.
a.130°, b. 179º, c. 70°, d. 190°, e.270​

Answer 1

Step-by-step explanation:

a. C=180-(65+75)=40⁰

b. E=180-(90+45)=45⁰