3 years ago

Find the measure of ∠B if ∠A = 5/2 x + 16 ∠B = 7/2 x + 20 ∠C = 3/2 x + 68 ∠D = 3/2 x + 40

Mathematics

1 answer:

ella [17]3 years ago

3 0

Answer

b = 104

Step-by-step explanation:

A + B + C + D = 360

after sum

360 = 9x + 144

x = 24

then

B = (7/2) 24 + 20

B = 104

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