2.
18 cm
NOT TO
SCALE
13.5cm
21 cm
D
E
Clies on a circle with diameter AD.
Blies on AC and Elics on AD such that BE is parallel to CD.
AB - 21 cm, CD - 18 cm and BE - 13.5 cm.
Work out the radius of the circle.
cm (5)
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Answer:
we know that triangle with hypotenuse with diameter is a right angle triangle
hence AC²+AD²=AD²
21²+18²=765
AD²
=(27.65)²
AD=27.65
diameter=27.65
radius=13.82cm
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