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

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## Question 1

### Question

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

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## Question 2

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

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## Question 3

### Question

MCQ▾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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## Question 4

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

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## Question 5

### Question

MCQ▾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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## Question 6

### Question

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

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## Question 7

### Question

MCQ▾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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## Question 8

### Question

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

### Choices

Choice (4) | Response | |
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a. | 40 cm | |

b. | 29.72 cm | |

c. | 30 cm | |

d. | 7.43 cm |