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WINSTONCH [101]
3 years ago
11

Find the measurement of angle a. ∠a =

Mathematics
2 answers:
kiruha [24]3 years ago
7 0

Answer:

The answer is 40

Step-by-step explanation:

since 90 plus 50 is is 140 so 180-140=40.

alexandr1967 [171]3 years ago
5 0
40 because 50+40=90
the angle is a right angle when added because it is across(i can’t remember the word) for the other 90 degree angle
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