Please help:(
1 answer:
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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:
c. 122.1 cm
Step-by-step explanation:
so l * w +
since 6 cm is the diameter
6/2 = 3
the radius (or r) is 3
so 18 * 6 +
108 +
108 +
108 + 14.13 = 122.13
simplified: 122.1 cm
hope this helps:)