# Mathematics-Heron's Formula (NSTSE (National Science Talent Search Exam- Unified Council) Class 9): Questions 1 - 7 of 43

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## Question number: 1

» Mathematics » Heron's Formula

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### Question

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

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Choice (4) Response

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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

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c.

d.

## Question number: 3

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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

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## Question number: 4

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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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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

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## Question number: 6

» Mathematics » Heron's Formula

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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

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c.

d.

## Question number: 7

» Mathematics » Heron's Formula

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### Question

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

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b.

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d.

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