Students can access the NCERT MCQ Questions for Class 9 Maths Chapter 12 Heron’s Formula with Answers Pdf free download aids in your exam preparation and you can get a good hold of the chapter. Use MCQ Questions for Class 9 Maths with Answers during preparation and score maximum marks in the exam. Students can download the Heron’s Formula Class 9 MCQs Questions with Answers from here and test their problem-solving skills. Clear all the fundamentals and prepare thoroughly for the exam taking help from Class 9 Maths Chapter 12 Heron’s Formula Objective Questions.

## Heron’s Formula Class 9 MCQs Questions with Answers

Students are advised to solve the Heron’s Formula Multiple Choice Questions of Class 9 Maths to know different concepts. Practicing the MCQ Questions on Heron’s Formula Class 9 with answers will boost your confidence thereby helping you score well in the exam.

Explore numerous MCQ Questions of Heron’s Formula Class 9 with answers provided with detailed solutions by looking below.

CBSE Class 10 Maths Formulas according to the Chapters are prepared by subject experts and you can rely on them during your preparation.

Question 1.

The perimeter of a rhombus is 20 cm. One of its diagonals is 8 cm. Then area of the rhombus is

(a) 24 cm^{2}

(b) 42 cm^{2}

(c) 18 cm^{2}

(d) 36 cm^{2}

## Answer

Answer: (a) 24 cm^{2}

Question 2.

If the height of a parallelogram having 500 cm^{2} as the area is 20 cm, then its base is of length

(a) 25 cm

(b) 15 cm

(c) 20 cm

(d) 50 cm

## Answer

Answer: (a) 25 cm

Question 3.

The area of quadrilateral PQRS, in which PQ = 7 cm, QR = 6 cm, RS = 12 cm, PS = 15 cm and PR = 9 cm:

(a) 74.98 cm^{2}

(b) 25.25 cm^{2}

(c) 75 cm^{2}

(d) 68.25 cm^{2}

## Answer

Answer: (a) 74.98 cm^{2}

Question 4.

The perimeter of a rhombus is 146 cm. One of its diagonals is 55 cm. The length of the other diagonal and area of the rhombus are

(a) 48 cm, 2320 cm^{2}

(b) 48 cm, 1820 cm^{2}

(c) 88 cm, 1320 cm^{2}

(d) 48 cm, 1320 cm^{2}

## Answer

Answer: (d) 48 cm, 1320 cm^{2}

Question 5.

ength of perpendicular drawn on smallest side of scalene triangle is

(a) Smallest

(b) Largest

(c) No relation

(d) None

## Answer

Answer: (c) No relation

Question 6.

The area of a right angled triangle if the radius of its circumcircle is 3 cm and altitude drawn to the hypotenuse is 2 cm.

(a) 6 cm^{2}

(b) 3 cm^{2}

(c) 4 cm^{2}

(d) 8 cm^{2}

## Answer

Answer: (a) 6 cm^{2}

Question 7.

The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 70 paise per cm^{2} is

(a) ₹17

(b) ₹16.80

(c) ₹7

(d) ₹16

## Answer

Answer: (b) ₹16.80

Question 8.

The lengths of a triangle are 6 cm, 8 cm and 10 cm. Then the length of perpendicular from the opposite vertex to the side whose length is 8cm is:

(a) 4 cm

(b) 6 cm

(c) 5 cm

(d) 2 cm

## Answer

Answer: (b) 6 cm

Question 9.

The area of an equilateral triangle having side length equal to \(\frac { \sqrt { 3 } }{ 4 }\) cm is:

(a) \(\frac { 2 }{ 27 }\) sq.cm

(b) \(\frac { 2 }{ 15 }\) sq.cm

(c) \(\frac { 3 }{ 16 }\) sq.cm

(d) \(\frac { 3 }{ 14 }\) sq.cm

## Answer

Answer: (c) \(\frac { 3 }{ 16 }\) sq.cm

Question 10.

he base of an isosceles triangle is 10 cm and one of its equal sides is 13 cm. The area of the triangle is

(a) 80 cm^{2}

(b) 100 cm^{2}

(c) 50 cm^{2}

(d) 60 cm^{2}

## Answer

Answer: (d) 60 cm^{2}

Question 11.

The area of an equilateral triangle of side 6 cm is

(a) 18 cm^{2}

(b) 9√3 cm^{2}

(c) 56√3 cm^{2}

(d) 58√3 cm^{2}

## Answer

Answer: (b) 9√3 cm^{2}

Question 12.

Length of perpendicular drawn on longest side of a scale △ is

(a) Smallest

(b) Largest

(c) No relation

(d) None

## Answer

Answer: (a) Smallest

Question 13.

A square sheet whose perimeter is 32 cm is painted at the rate of Rs. 5 per m^{2}. The cost of painting is:

(a) ₹320

(b) ₹350

(c) ₹340

(d) ₹160

## Answer

Answer: (a) ₹320

Question 14.

The area of a triangle whose sides are 12 cm, 16 cm and 20 cm is

(a) 96 cm^{2}

(b) 320 cm^{2}

(c) 240 cm^{2}

(d) 72 cm^{2}

## Answer

Answer: (a) 96 cm^{2}

Question 15.

Each side of an equilateral triangle measures 10 cm. Then the area of the triangle is

(a) 43.3 cm^{2}

(b) 43.1 cm^{2}

(c) 43.4 cm^{2}

(d) 43.2 cm^{2}

## Answer

Answer: (a) 43.3 cm^{2}

Question 16.

The length of the sides of a triangle are 5 cm, 7 cm and 8 cm. Area of the triangle is :

(a) 10√3 cm^{2}

(b) 100√3 cm^{2}

(c) 300 cm^{2}

(d) 50√3 cm^{2}

## Answer

Answer: (a) 10√3 cm^{2}

Question 17.

The area of a triangle with base 8 cm and height 10 cm is

(a) 20 cm^{2}

(b) 18 cm^{2}

(c) 80 cm^{2}

(d) 40 cm^{2}

## Answer

Answer: (d) 40 cm^{2}

Question 18.

Find the length of each side of an equilateral triangle having area of 9 root 3 cm square

(a) 36 cm

(b) 5 cm

(c) 15 cm

(d) 6 cm

## Answer

Answer: (d) 6 cm

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**Class 9 Maths MCQ Questions with Answers**

- Class 9 Maths Chapter 1 MCQ
- Class 9 Maths Chapter 2 MCQ
- Class 9 Maths Chapter 3 MCQ
- Class 9 Maths Chapter 4 MCQ
- Class 9 Maths Chapter 5 MCQ
- Class 9 Maths Chapter 6 MCQ
- Class 9 Maths Chapter 7 MCQ
- Class 9 Maths Chapter 8 MCQ
- Class 9 Maths Chapter 9 MCQ
- Class 9 Maths Chapter 10 MCQ
- Class 9 Maths Chapter 11 MCQ
- Class 9 Maths Chapter 12 MCQ
- Class 9 Maths Chapter 13 MCQ
- Class 9 Maths Chapter 14 MCQ
- Class 9 Maths Chapter 15 MCQ