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Butoxors [25]
3 years ago
9

Find the value of x. A. 99 B. 9 C. 90 D. 11 ILL GIVE BRAINLIEST

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

B.9

Step-by-step explanation:

The way to solve this is by noticing that these angles are complementary(they add up to 90 degrees). So you add the equations together and equal them to 90. 5x-9+6x=90.Then you solve to find that x=9.

spin [16.1K]3 years ago
3 0

Answer:

B) 9

Step-by-step explanation:

Because there's a square between the 2 angles, that means these angles are complementary (angles that add up to 90°). So:

5x - 9 + 6x = 90

11x - 9 = 90

11x = 90 + 9

11x = 99

x = 9

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