hannahbanana2000
17.09.2019 •
Mathematics
Quadrilateral abcd is inscribed in this circle.
what is the measure of angle a?
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Ответ:
So ∠D + ∠B = 180
⇒ x + 116 = 180
⇒ x = 180 - 116
⇒ x = 64
∠A = 2x - 40 = 2*64 - 40 = 128 - 40 = 88°
Hope it helps!
Ответ:
$35
Step-by-step explanation:
1. 85/1.7
2. you get 50
3. 85-50