find the area of the following polygon .
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Answer:
Step-by-step explanation:
Area = Area of PQU + Area of SRT + Area of RQUT
= 1/2 × 15 × 40 + 1/2 × 15 × 40 + 28 × 40 = 600 + 1120 = 1720
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Step-by-step explanation:
area of triangle PCQ = 1/2 ×h×b
= 1/2 ×15 × 40
= 300 sq. cm
area of triangle STR = area of triangle PCQ
area of triangle STR = 300 sq. cm
area of rectangle QCRT = l×b
= 40×28
= 1120 sq.cm
area of polygon=300+300+1120
= 1720sq.cm
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