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3. The length and breadth of a rectangle are 6.5 cm and 3.4 cm, respectively, its perimeter is.....a) 19.8 cm2b) 9.9 cm2c) 9.9 cmd) 19.8 cm |
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Answer» Answer: Here is your answer ⬇️⬇️⬇️ Step-by-step explanation: Length = 5.7 ± 0.1 cm breadth = 3.4 ± 0.2 cm A = LB = (5.7 × 3.4) = 19.38 cm² ΔA = A × (ΔL/L + Δb/b) = 19.38 × (0.1/5.7 + 0.2/3.4) = 1.48 cm² Area of rectangle = (19.38 ± 1.48) cm² hope it HELPS you... MARK me as the brainlist... like my answer... THANK you!!! |
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