A triangle has an angle that measures 90°. The other two angles are in a ratio of 2:7. What are the measures of those two angles
?
1 answer:
Answer:
70° and 20°
let the other 2 angles be 7x and 2x
90+7x+2x=180
9x=180-90
x=90/9
x=10
7x=7x10
70
2x=2×10
2p
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