Question

Z A and Z B are complementary angles. If Z A: Z B = 3: 7, then Z B =

A. 18° B.54° C. 63 . 126° ​

Answer 1

Answer:

a/q,

ZA:ZB=3:7

let ZA = 3x

ZB=7x

since they are complementary;

3x+7x=90°

10x=90°

X=9°

therefore ,

ZB= 7x

ZB= 7×9°

ZB=63°

hope this helps you :)