Mathematics
13.06.2021 20:53
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Find the measure of c. A. 40 B. 70 C. 90 D. 50
Find the measure of c. A. 40 B. 70 C. 90 D. 50
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christyr2002
4,9(35 marks)
D. 50
Step-by-step explanation:
a = 90° (angle subtended in semicircle)
a + c + 40° = 180° (by angle sum postulate of a triangle)
90° + c + 40° = 180°
c + 130° = 180°
c = 180° - 130°
c = 50°
cman8228
4,5(12 marks)
12 is
13 is
Step-by-step explanation:
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