Find the measurement of y A-129° B-130° C-145° D-134°

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asked Oct 6, 2021 17.0k views

1 vote

Find the measurement of y

A-129°
B-130°
C-145°
D-134°

Mathematics
middle-school

Lautaro Cozzani asked

by Lautaro Cozzani

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1 Answer

3 votes

Answer: C

Step-by-step explanation: Since the angle measures of a heptagon measure up to 900, add all known angle measures. they equal to 755. 900 - 755 is 145.

Brian Ortiz answered Oct 12, 2021

by Brian Ortiz

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