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What is the area (in sq cm) of a rectangle of perimeter 70 cm and breadth 20 cm? |
302 cm2 300 cm2 320 cm2 302 cm2 |
300 cm2 |
Perimeter of rectangle = 2 (l + b) 70 = 2 (l + 20) l = \(\frac{70}{2}\) – 20 = 15 cm. area = l × b = 15 × 20 = 300 cm2 |
