samsmith666
11.06.2020 •
Mathematics
Given: H = 2x + 60 T = x + 30 HALT is a ∠T =
90, 60, or 30
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Ответ:
x=18
Step-by-step explanation:
Vertical angles are congruent. This means that they are equal to each other. So, to solve set them equal to each other and isolate x. First, set up the equation. Then, subtract x from both sides. Finally, add 11 to both sides and simplify.
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