find perimeter of a rectangle if length is 0.85m and breadth is 70 cm
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0
Step-by-step explanation:
Area of room → Length X Breadth
Area of room → 1150 ×630 → 724500 sq. cm
Area of 1 tile → 23×9 → 207 sq. cm
Number of tiles required →
Area of tile
Area of room
Number of tiles required →
207
724500
→ 3500
Cost of tiling → (Number of tiles) × (Cost of 1 tile) → 3500×4.25 → 14875
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3
Perimeter of rectangle = 2(length + breadth)
length = 0.85m = 85 cm
breadth = 70 cm
Perimeter = 2 (85 + 70)
= 2 × 155
= 310 cms
Perimeter = 3.1m or 310cms
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