Question

The measures of the three angles of a triangle are given by 4x -1, 2x + 1, and 6x. What is the measure of the largest angle? A 15° B 31° C.59° D. 90°​

Answer 1

D. 90°

Explanation:

6x + 4x - 1 + 2x + 1 = 180

12x = 180

x = 15

6x = 6 * 15 = 90

Answer: D. 90°