A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k minus 3) degrees.

What is the value of k?

k = 28

k = 29

k = 31

k = 42

Question

Mathematics

Noelle Bradshaw

20 September, 07:07

A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k minus 3) degrees.

What is the value of k?

k = 28

k = 29

k = 31

k = 42

+2

Answers (1)

Know the Answer?

Tiana Montgomery · Answer 1

29

Step-by-step explanation:

If you mean the exterior angle at the same vertex as the interior,

(9+k) + (5k-3) = 180

9+k+5k-3=180

6k+6=180

6k=174

k=29 degrees

A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k minus 3) degrees.What is the value of k?k = 28k = 29k = 31k = 42

A triangle is sitting on a horizontal line. The bottom left interior angle of the triangle is (9 + k) degrees. The exterior angle to the bottom left interior angle is (5 k minus 3) degrees.

What is the value of k?

k = 28

k = 29

k = 31

k = 42