Question
The perimeter of a floor a room is 36m. What is the area
of four walls of the room, if its height is 6m?Solution
Perimeter = 2(l + b) = 36m and height = 6m Area of 4 walls = 2(l + b) × h = (36 × 6) = 216 m²
More Mensuration Questions
Find the wrong number in the given number series.
3, 8, 15, 24, 35, 50, 63Find the wrong number in the given number series.
12, 13, 68, 29, 220, 51
40, 56, 85, 129, 190, 268
- Find the wrong number in the given number series.
2, 5, 9, 14, 20, 28 95, 139, 191, 251, 319, 380
- Find the wrong number in the given number series.
27, 38, 52, 70, 94, 122 Find the wrong number, in the given number series,
1680, 840, 2520, 630, 3150, 475
- Find the wrong number in the given number series.
1, 2, 6, 24, 120, 600 15, 27, 51, 99, 193, 387
Find the wrong number in the given number series.
8, 12, 24, 60, 180, 540