Mathematics-Heron's Formula [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 9 - 17 of 43
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Question 9
Question MCQ▾
One side of an equilateral triangle is 16 cm. Its area is
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 10
Question MCQ▾
If the altitude of an equilateral triangle is cm, its area is
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a. | ||
b. | ||
c. | ||
d. |
Question 11
Question MCQ▾
The perimeter of a rhombus is 36 cm and one of its diagonals is 6 cm. The length of the other diagonal is
Choices
Choice (4) | Response | |
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a. | cm | |
b. | cm | |
c. | cm | |
d. | cm |
Question 12
Question MCQ▾
The area of a triangle whose sides are 12,13 and 15 cm.
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Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 13
Question MCQ▾
The adjacent sides of a parallelogram are 8 cm and 18 cm. The ratio of its altitudes is
Choices
Choice (4) | Response | |
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a. | 6: 8 | |
b. | 18: 3 | |
c. | 8: 9 | |
d. | 4: 9 |
Question 14
Question MCQ▾
The area of a rhombus is 96 and one of its diagonal is 12 cm. Its perimeter is
Choices
Choice (4) | Response | |
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a. | 25 cm | |
b. | 30 cm | |
c. | 40 cm | |
d. | 84 cm |
Question 15
Question MCQ▾
One side of an equilateral triangle is 9 cm. Its area is
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Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 16
Question MCQ▾
In a quadrilateral the sides are 8, 15,13, 18 units and the angle between first sides is a right angle. The area of quadrilateral is
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a. | ||
b. | ||
c. | ||
d. |
Question 17
Question MCQ▾
The sides of a triangle are 22 cm, 30 cm and 32 cm. The altitude to largest side is
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | cm | |
d. |