Question

20) The area of the shaded portion is
30 cm!
'B
40 cm
F
1200 square cm
600 square cm
900 square cm
can not be calculated
​

Answer 1

If C =35 , find the value of 9 C + 32

5

If a =10 , b =8 and c =2 , find the value of abc .

Answer 2

Step-by-step explanation:

(i) Length = 24.5 m

Breadth = 18 m

∴ Area of the rectangle = Length × Breadth

= 24.5 m × 18 m

= 441 m2

(ii) Length = 12.5 m

Breadth = 8 dm = (8 × 10) = 80 cm = 0.8 m [since 1 dm = 10 cm and 1 m = 100 cm]

∴ Area of the rectangle = Length × Breadth

= 12.5 m × 0.8 m

= 10 m2