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melanie7152
18.01.2022 •
Mathematics
Triangle ABC is a right scalene triangle. If ∠ = 72°, what is the measure of ∠?
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Ответ:
18°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180° , then
90° + 72° + ∠? = 180°
162° + ∠? = 180° ( subtract 162° from both sides )
∠? = 18°
Ответ: