Answer: 1. 71.4
2. 40.10
Step-by-step explanation:
1. The radius is half of the diameter so just divide 142.8 by 2
2. Diameter is easy 20.5*2
Hope this helped :)
Answer:
x = 135º
Sum of angles in a triangle is 180
A = 180 - 66 - 69
A = 45º
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Supplementary angles total 180
x = 180 - 45
let x be y and y be the x, so we have
9(8 + 2 = 10) = 90
9 times 10 = 90
x = 8
Answer:wsg bear