find the area of the following
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A - 5 +6+5 CM = 16 CM
B - 2.5+5.5+1.5 = 9.5 CM
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Step-by-step explanation:
(i) area of quad. ABCD
= (area of triangle ABC) + (area of triangle ACD )
= [(1/2 × 6 × 3) + (1/2 × 6 × 5)] cm²
= (9+15) cm²
=24 cm²
(ii) area of quad. PQRS
= (area of triangle QRS) + (area of triangle PQS)
= [(1/2 × 5.5 × 2.5 ) + ( 1/2 × 5.5 × 1.5)] cm²
= (6.875 + 4.125) cm²
= 11 cm²
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