find the radius step by step pls
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Answered by
2
Step-by-step explanation:
Is ar båt
(a+b) x + (a-
rably
t latby
(a-b) a.
aartha
Answered by
0
Answer:
7.5 cm
Step-by-step explanation:
AB is the diameter
Therefore, <APB = 90degree (angle in a semicircle is a right angle)
Hence by using pythagoras theorem
AB^2 = AP^2+PB^2
= 9^2 + 12^2
= 81 + 144
= 225 cm
Therefore, AB = root of 225
= 15 cm
Radius = 1/2 of diameter
= 1/2 * 15cm
= 7.5 cm
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