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Yuki888 [10]
3 years ago
10

A triangle has three angles that measure 20 degrees, 60 degrees and

Mathematics
1 answer:
podryga [215]3 years ago
7 0

Answer:

x=25  

Step-by-step explanation:  

A traingle has an area of 180 degrees, so we subtract 20 and 60, and are left with 100. 5x-25=100, add 25 to get that 5x=125, divide by 5 to get that x=25.

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