# 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

Heron's Formula
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 2

Heron's Formula
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 3

Heron's Formula
Edit

### 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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 4

Heron's Formula
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 5

Heron's Formula
Edit

### 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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 6

Heron's Formula
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 7

Heron's Formula
Edit

### 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

### Choices

Choice (4)Response
a.
b.
c.
d.

## Question 8

Heron's Formula
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response
a.40 cm
b.29.72 cm
c.30 cm
d.7.43 cm