a.
To calculate: The area of figure with sector and
a.
Answer to Problem 19PSC
The area of figure is
Explanation of Solution
Given information:
Anequilateral triangle with side 10.
The center of each arc is the opposite vertex of equilateral triangle.
Formula used:
Area of equilateral triangle:
s = side of equilateral triangle.
Area of sector
r = radius of a
Calculation:
Area of equilateral triangle:
Area of segment = Area of sector − Area of equilateral triangle
There are 3 segments.
b.
To find: The perimeter of figure withthe help of circumference.
b.
Answer to Problem 19PSC
The perimeter of figure is
Explanation of Solution
Given information:
An equilateral triangle with side 10.
The center of each arc is the opposite vertex of equilateral triangle.
Formula used:
Circumference of a circle:
r = radius of a circle.
d = diameter of a circle.
Calculation:
There are 3 segments.
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