Question

(x+9 )⁰ and (3x−5)⁰ are two complementary angles, then find the value of x

Answer 1

Answer:

21.5

Step-by-step explanation:

$complementary \: angles = 90$

$x + 9 + 3x - 5 = 90$

$4x + 4 = 90$

$4x = 90 - 4$

$\frac{4x}{4} = \frac{86}{4}$

$x = 21.5$