Question

use your equation to solve for the value of b, or the measure of angle b. a = 55° b° c = 35° e = 35° d = 145° 90 + b = 180

Explanation:

Step1: Subtract 90 from both sides

$$90 + b-90=180 - 90$$

Step2: Simplify the equation

$$b = 90$$

Answer:

$b = 90$