What is the perimeter of the given figure?
2 answers:
Answer:
D.
Step-by-step explanation:
The length of the unmarked side of the triangle is found by using Pythagoras:
x sqrt (10^2 - 6^2)
= sqrt 64
= 8.
The length of the curved part = 1/2 * pi * 10 = 5pi
Perimeter = 8 + 6 + 5pi
= 14 + 5pi
Answer:
D. 14 + 5π inches
Step-by-step explanation:
1. solve for the side of a triangle using Pythagorean = 
= 8 in.
2. circumference of a half circle = πd /2 = π*10 / 2 = 5π in.
3. total perimeter = (8 + 6) + 5π = 14 + 5π
therefore, the answer is D. 14 + 5π inches
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