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Grace [21]
4 years ago
14

The measure of angle A is

Mathematics
1 answer:
Serga [27]4 years ago
7 0

Your answer would be a) 60 - x°. This is because angles in a triangle add up to 180°, and as angle B is 90 and angle C is x + 30, that means angle A must be 180 - (90 + 30 + x) which is 180 - (120 + x), which when simplified equals 60 - x. I hope this helps!

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