Question

answer the following questions​

Answer 1

Step-by-step explanation:

12) area of rectangle = 3×4 = 12 sq. unit

13)let angle 1st to be x

2nd angle to be x+36°

A/q

x+(x+36°) =180°

2x+36° =180°

2x = 180°-36°

2x = 144°

x = 144°/2 = 72°

Hence, 1st angle = 72°

2nd angle =72°+36° = 108°

I hope you like it and mark brainliest answer.