Question

3.
What is the length of side of square whose area is 64 m??
(a) 16 m
(b) 32 m
(c) 8 m
(d) 64 m
The side of an equilateral triangle is I. Its perimeter is
(a) 1
(b) 21
(c) 31
(d) 61
5.
Find the value of x in 4:3 = x: 12?
(a) 4
(b) 12
(c) 16
(d)3आंसर प्लीज ​

Answer 1

Answer:

Let the side of the equilateral triangle be a cm

area of the triangle

4

3

a

2

=64

3

⇒a

2

=

3

4×64×

3

⇒a

2

=256

⇒a=16

perimeter of the triangle=3a=3×16=48 cm

Abou

Answer 2

Answer:

Q1 64

Q2 Because the sides of the equilateral triangle are equal, the perimeter is equal to 3a.

Q3 16