Mathematics-Heron's Formula [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 8 of 43

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Question number: 1

» Mathematics » Heron's Formula

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If the altitude of an equilateral triangle is cm, its area is

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Choice (4)Response

a.

b.

c.

d.

Question number: 2

» Mathematics » Heron's Formula

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In a quadrilateral ABCD given that and diagonal . Its area is

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Choice (4)Response

a.

b.

c.

d.

Question number: 3

» Mathematics » Heron's Formula

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The area of a parallelogram whose diagonal is 13.6 cm and the perpendicular distance of this diagonal from an opposite vertex is 15 cm is

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Choice (4)Response

a.

b.

c.

d.

Question number: 4

» Mathematics » Heron's Formula

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The base of an isosceles triangle is 14 cm and its perimeter 108 cm. Then its area is

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Choice (4)Response

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b.

c.

d.

Question number: 5

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Two adjacent sides of a parallelogram are 12 cm and 9 cm. One of its diagonals is 15 cm. Then the area of parallelogram is

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Choice (4)Response

a.

b.

c.

d.

Question number: 6

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The base of an isosceles triangle is 24 cm and its perimeter 64 cm. Then its area is

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Choice (4)Response

a.

b.

c.

d.

Question number: 7

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In a quadrilateral the sides are 5,12,7, 10 units and the angle between first sides is a right angle. The area of quadrilateral is

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Choice (4)Response

a.

b.

c.

d.

Question number: 8

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The area of a rhombus is 35 and one of its diagonal is 5 cm. Its perimeter is

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Choice (4)Response

a.

40 cm

b.

29.72 cm

c.

30 cm

d.

7.43 cm

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