for the pair of similar figures find the missing area . round your answer with nearest tenth if necessary?
rectangle - 7.5 m
A- 720m²
second rectangle -12 m
A-?
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Answer:
1843.2 m²
Step-by-step explanation:
For rectangle-1 ; L1 = 7.5 m
A1 = 720 m²
∵ Area, A1 = L1 * B1
720 = 7.5 * B1
B1 = 720/7.5 = 96 m
Now for rectangle-2 ; L2 = 12 m
∵ both the rectangle are similar
∴ L1 / B1 = L2 / B2
⇒ B2 = ( L2/L1)*B1
= ( 12/7.5)*96
= 153.6 m
NOW, AREA OF SECOND RECTANGLE, A2 = L2 * B2
= 12 * 153.6
= 1843.2 m²
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