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san4es73 [151]
3 years ago
14

I need help with these two problems... PLZ HELP ME!!!!!!!

Mathematics
1 answer:
hichkok12 [17]3 years ago
3 0

Answer:

3-B,E

4-. ( 1/8)×π×100

arc length of an enclosed circle is 2πr where r is the radius

the atc length of is proportional to the angle subtended at the centre . i.e for this arc it is 1/4th (90°/360°) of the arc length of an enclosed circle.

it is the same relationship with area of a sector

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