Question

Find the value of x
A. 6
B. 9
C. 15
D. 3
Plz help I may mark Brainiest

Answer 1

Answer:

A. 6

Step-by-step explanation:

$10x \degree + 30 \degree = 90 \degree \\(complementary \:angles) \\\\ 10x \degree = 90 \degree - 30 \degree\\ \\ 10x \degree = 60 \degree \\ \\ 10x = 60 \\ \\ x = \frac{60}{10} \\ \\ x = 6$