In the diagram below MN is a chord of a circle ... - JAMB Mathematics 2017 Question
In the diagram below MN is a chord of a circle KMN centre O and radius 10cm. If
A
10cm
B
18cm
C
17cm
D
12cm
correct option: a
Find the diagram
Sin 70o
x = 10 Sin 70o
= 9.3969
Hence, length of chord MN = 2x
= 2 × 9.3969
= 18.79
= 19cm (nearest cm)
Sin 70o
x = 10 Sin 70o
= 9.3969
Hence, length of chord MN = 2x
= 2 × 9.3969
= 18.79
= 19cm (nearest cm)
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