Find the area of the shaded region. Use 3.14 for Round to the tenths place.
1 answer:
Answer:
Step-by-step explanation:
The area of the shaded region is:
- The area of circle - area of triangle
Diameter of the circle is the hypotenuse of right triangle. As per Pythagoras:
- d = √20²+21² = √400+441= √841 = 29in
- r = d/2 = 29/2 = 14.5 in
Area of circle:
- A = πr² = 3.14*14.5² = 660.2 in²
Area of triangle:
- A = ah/2 = 20*21/2 = 210 in²
Shaded area:
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