Answer:
b = 60
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
b² + 63² = 87²
b² + 3969 = 7569 ( subtract 3969 from both sides )
b² = 3600 ( take the square root of both sides )
b =
= 60
Answer:
14
Step-by-step explanation:
because the side length are 5 and 5 and 4 which is 14.
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Answer:
Step-by-step explanation:
2m^2-m+4m^2+8m combine like terms
6m^2+7m
Answer:
9 cm, C
11 cm, B
14 cm A
Step-by-step explanation: