use right triangle-find the length of the missing side : b=2.1, c = 2.9

Answer 1

2.9^2=2.1^2+a^2
find a

this assumes the c is the longest side.

Answer 2

B=2.1,c=2.9

Answer 3

1.B
2.A
3.D
4.A
5.D

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