In the given rectangle ABCD, AB = 20cm,
BAC = 60֯, calculate the area of rectangle ABCD.
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hey mate!!
ur answer is in attachment above ☝️
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Tan (cab) = tan (60)=BC/AB
THEREFORE,
TAN 60 × AB = BC
√3 ×20 = BC
BC= 20√3
AREA = AB×BC
= 20×20√3
= 400√3
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