Bidii primary school has a circular assembly ground with a diameter of 9.8m .the environmental club members planted grass on the assembly ground leaving a circular part of diameter 2.8m around the flag post . what was the area of the assembly ground covered with grass? take 22/7

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?

Can someone answer this question for me