edith47
12.12.2020 •
Mathematics
Need help with 5 and 6 will give branliest to the first to answer
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Ответ:
m∠CBD = 38°
Step-by-step explanation:
∠ABC and ∠CBD have a sum of 100°.
m∠ABC + m∠CBD = m∠ABD
4x + 2 + 3x - 7 = 100
7x - 5 = 100
7x = 105
x = 15
m∠CBD = 3(15) - 7 = 45 - 7 = 38