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cupoosta [38]
3 years ago
11

Help me with this question please

Mathematics
1 answer:
Andrew [12]3 years ago
4 0
<em>Complementary </em>angles are two angles that add up to a <em>right </em>angle, or 90°.

If ∠A and ∠B are complementary, that means that m∠A + m∠B = 90°. Plugging in the given values for m∠A and m∠B, we have

(2x-29) + (x + 23) = 90

Which we can use to solve for x:

2x - 29 + x + 23 = 90
(2x + x) + (-29 + 23) = 90
3x - 6 = 90
3x = 96
x = 32

Since we already know m∠B = (x + 23)°, we can substitute x to find that m∠B = (32 + 23)° = 55°
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