Answer: 70 ft
Step-by-step explanation:
Given
height of book is measured by the function is
when the book is thrown
The height of the book is
Ideas for a 12 year old b-day party?
2 answers:
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Answer:
254 cm² (to 3 s.f.)
Step-by-step explanation:
Area of shaded region
= area of large circle -area of smaller circle
Radius of large circle= 15cm
Radius of smaller circle= 12cm
Area of shaded region
= π(15²) -π(12²)
= 225π -144π
= 81π
= 81(3.14)
= 254.34
= 254 cm² (3 s.f.)