4 years ago

Need help asap its “equation practice with angle addition”

Mathematics

1 answer:

Orlov [11]4 years ago

6 0

Answer:

m∠CBD = 68°

Step-by-step explanation:

Step 1: Find x.

$4x + 52 + 8x - 10 = 90\\12x + 42 = 90\\12x = 48\\x = 4$

Step 2: Plug it in the angle in question.

$4(4) + 52\\16 + 52\\68$

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