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Area
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Question
In an equilateral triangle of side 24 cms, a circle is inscribed touching its sides. The area of the remaining portion of the triangle is equal to
Options
A. 36.6 sq. cm
B. 54.2 sq. cm
C. 72.8 sq. cm
D. 98.5 sq. cm
Correct Answer
98.5 sq. cm
Area problems
Search Results
1. If the radius of a circle is increased by 14% its area increases by
Options
A. 28 percent
B. 29.96 percent
C. 14 percent
D. 14.98 percent
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Correct Answer: 29.96 percent
2. The area of a square is 100 sq cm, find length of its diagonal?
Options
A. 10?2 cm
B. 10 cm
C. 20 cm
D. 20?2 cm
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Correct Answer: 10?2 cm
3. The perimeter and the breadth of a rectangle are 60 cm and 14 cm respectively. Find its area (in cm²)
Options
A. 112
B. 448
C. 224
D. 336
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Correct Answer: 224
4. If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle
Options
A. 25%
B. 43.75%
C. 50%
D. 93.75%
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Correct Answer: 93.75%
5. What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?
Options
A. 500
B. 250
C. 125
D. 200
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Correct Answer: 250
6. One of the internal angle of a rhombus is 60° and length of its shorter diagonal is 8 cm. What is the area of the rhombus?
Options
A. 64?3 sq cm
B. 32?2 sq cm
C. 64?2 sq cm
D. 32?3 sq cm
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Correct Answer: 32?3 sq cm
7. The area of the largest triangle that can be inscribed in a semicircle of radius 6m is
Options
A. 36 sq.m
B. 72 sq.m
C. 18 sq.m
D. 12 sq.m
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Correct Answer: 36 sq.m
8. The area of a rectangle in 60 sq.cm and its perimeter is 34 cm, then the length of the diagonal is
Options
A. 17 cm
B. 11 cm
C. 15 cm
D. 13 cm
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Correct Answer: 13 cm
9. The length of the diagonal and the breadth of a rectangle are 17 cm and 8 cm respectively. Find its perimeter (in cm).
Options
A. 92
B. 46
C. 42
D. 84
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Correct Answer: 46
10. The length of the base of an isosceles triangle is 2x2y+4z, and its perimeter is 4x2y+6z. Then the length of each of the equal sides is
Options
A. x+y
B. x+y+z
C. 2(x+y)
D. x+z
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Correct Answer: x+z
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