Question

find the measure of angle b.
c = 61.3° b = ?° b =
round to the nearest tenth.

Explanation:

Step1: Use the angle - sum property of a triangle

The sum of angles in a triangle is \(180^{\circ}\). Let \(\angle A = 70^{\circ}\), \(\angle C=61.3^{\circ}\), and \(\angle B=x\). Then \(x + 70+61.3=180\).

Step2: Solve for \(x\)

$$
LATEXBLOCK0
$$

Answer:

\(48.7\)