In triangle ABC, the measure of angle B is 39 more than three times the measure of angle A. The measure of angle C 66 is more t

Question

2 years ago

13

han the measure of angle A. Find the measure of each angle.

1 answer:

IrinaVladis [17] · Answer 1 · 2023-02-27T20:17:12+03:00

8 0

answer:

a = 15

b = 84

c = 81

steps

a+b+c=180

b=3a+39

c=a+66

a+3a+39+a+66=180

5a + 105 = 180

5a = 75

a = 15

b=3a+39

b=3(15)+39

b=45+39

b=84

c=15+66

c=81

https://www.wyzant.com/resources/answers/292883/i_don_39_t_get_how_to_put_it_into_a_formula

In triangle​ ABC, the measure of angle B is 39 more than three times the measure of angle A. The measure of angle C 66 is more t