in fig, P, Q, R are points on circle with centre o . if angle PQR = 120°, then angle OPR = ?
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2
Answer:
Surface area=25×20=500cm
2
Volume of tank=4.5ℓ=4500cm
3
Initial height of water=
500
4500
=9cm
∴Rise in water=11−9=2cm
Volume of water rise=volume of cube
⇒500×2=a
3
⇒a=
1000
=10cm
Therefire edge=10cm
Answered by
1
Answer:
op=or radius of circle
PSR=60 theorem 10.8
I know till here I think something is missing
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