Herons Formula MCQ Questions Class 9 Maths Chapter 12

Herons Formula MCQ Questions Class 9 Maths Chapter 12

NCERT MCQ Questions for Class 9 Maths Chapter 12 Herons Formula. Herons Formula MCQ Questions with Answers from Class 9 Maths.

Herons Formula MCQ Questions Class 9 Maths Chapter 12

Herons Formula Multiple Choice Questions with Answers Class 9 Maths Chapter 12 PDF is available.

1) Length, breadth is measured in

a) Meter

b) Centimetres

c) Both a and b

d) None

Ans: c) both a and b

2) Area is measure in

a) Square meter

b) Square centimetres

c) Both a and b

d) None

Ans: c) both a and b

3) The area of triangle is

a) A= base * height

b) A= 3/2* base* height

c) A= ½* base*height

d) A= 5/2*base*height

Ans: c) A= ½*base*height

4) The area of the right angled triangle is

a) A= ½*base*height

b) A= ½* product of sides making angle 90°

c) A= product of sides making angle 90°

d) None

Ans: b) A= ½* product of sides making angle 90°

5) The triangle whose all sides are equal is called as

a) Isosceles triangle

b) Right angle triangle

c) Equilateral triangle

d) None

Ans: c) equilateral triangle

6) The each angle in equilateral triangle is

a) 30°

b) 60°

c) 90°

d) 180°

Ans: b) 60°

7) The sum of all three angles of the triangle is

a) 90°

b) 180°

c) 360°

d) 270°

Ans: b) 180°

8) The triangle whose two sides are equal in length is called

a) Equilateral triangle

b) Isosceles triangle

c) Right angle triangle

d) None

Ans: b) isosceles triangle

9) In isosceles triangle the angles opposite to equal sides are

a) Different

b) 60°

c) Equal

d) None

Ans: c) equal

10) If one of the angle of isosceles triangle is 30° then remaining two becomes

a) 120°, 30°

b) 75°, 75°

c) Both a and b

d) None

Ans: c) both a and b

11) The perimeter of equilateral triangle is

a) P= side

b) P= 2*side

c) P= 3*side

d) None

Ans: c) P= 3*side

12) Perimeter of triangle of different sides is

a) P= a + b + c

b) P= a + b

c) P= b + c

d) P= 2(a + b + c)

Ans: a) P= a + b + c

13) The area of the equilateral triangle is

a) A= √3/4side2

b) A= √3/2side2

c) A= √3/5side2

d) None

Ans: a) A= √3/4 side2

14) According to Herons formula the area of triangle is

a) A= √s(s+a)(s+b)(s+c)

b) A= √(s-a)(s-b)(s-c)

c) A= √s(s-a)(s-b)(s-c)

d) None

Ans: c) A= √s(s-a)(s-b)(s-c)

15) In Herons formula the term s means

a) S= a + b +c

b) S= (a + b + c)/2

c) S= 2(a + b + c)

d) None

Ans: b) S= (a + b + c)/2

16) If the sides of triangle are 40m, 24m and 32m then it’s area is

a) 382m2

b) 386m2

c) 384m2

d) 400m2

Ans: c) 384m2

17) If the sides of the triangle are 40m, 24m and 32 m then it’s perimeter is

a) 48m

b) 96m

c) 96cm

d) 48cm

Ans: b) 96m

18) In right angle triangle the sum of two angles other than right angle is

a) 90°

b) 180°

c) 60°

d) 30°

Ans: a) 90°

19) Herons formula is used to find

a) Perimeter of triangle

b) Area of rectangle

c) Area of triangle

d) Area of circle

Ans: c) area of triangle

20) The circle which passes through all the three vertices of the triangle is called as

a) Semicircle

b) Circumcircle

c) Both a and b

d) None

Ans: b) circumcircle

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