Question 42. Find the area of BCE, If AB = 8cm, BD = 15 cm and DE = 12cm.
B: 36 cm
A: 145 cm
C: 53 cm
E None of these
D: 82 cm
Please post steps also
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Step-by-step explanation:
Sol. (i) First we draw a rough sketch of a quadrilateral ABCD and write down its dimensions as shown. We may divide it into two conveniently constructible Δs ABC and ACD.
Steps of construction:
1. Draw AC = 7 cm. 2. With A as centre and radius 4.5 cm, draw an arc (below AC). 3. With C as centre and radius 5.5 cm, draw another arc cutting the previous arc at B.
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