a.
To find: The measure of arc
a.
Answer to Problem 20RP
The measure of arc
Explanation of Solution
Given information:
RECT is a rectangle,
Side
Side
Formula used:
Calculation:
The measure of arc RTC is two times the measure of arc REC.
b.
To calculate: The length of arc
b.
Answer to Problem 20RP
The length of arc
Explanation of Solution
Given information:
RECT is a rectangle,
Side
Side
Formula used:
Calculation:
c.
To calculate: The area of shaded region.
c.
Answer to Problem 20RP
The area of shaded region is
Explanation of Solution
Given information:
RECT is a rectangle,
Side
Side
Formula used:The below theorem is used:
Pythagoras theorem states that “In a right angled
In right
Area of
r = radius of circle.
Area of rectangle:
Calculation:
The Pythagoras theorem is applied to calculate the radius of a circle.
In right angle triangle REC , we get
Area of shaded region:
Chapter 9 Solutions
Geometry For Enjoyment And Challenge
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