Question

EXERCISE 3F
Evaluated
3. V156.25
4. 175.69
3. 9.8596
6. 10.0489
7. 1.0816
B. 10.2916
. Evaluate v3 up to two places of decimal
e. Evaluate 2.8 correct up to two places of decimal.
11. Evaluate 10.9 correct up to two places of decimal
19. Find the length of each side of a square whose area is equal to the area of a rectangle of
length 13.6 metres and breadth 3.4 metres.​

Answer 1

Answer:

19. let the side of Square whose area is equal to that of rectangle is a

so

a×a=13.6×3.4

a=

$\sqrt{13.6 \times 3.4}$

$\sqrt{1.7 \times 2 \times 4 \times 2 \times 1.7}$

a= 1.7×4= 6.8 meters

Answer 2

Agar aapke sis ka he to aap mujhe jab message karoge tabhi reply warna message hi nhi karunga ok