Michele Conway, Belle Cottingham, Alastair Duncombe and, Amanda George Solutions for Exercise 3: Exercise 1

What percent of area of the circle is shaded in the given figure.(Give the answer in $1$ decimal place)(Take $\pi =3.14$)

What percent of area of the rectangle is shaded in the given figure.(Give the answer in $1$ decimal place)

If take $28 gm$ flour to make dough for a pizza with diameter $100 mm$.How much flour do you need to make pizza but with a diameter $200 mm$

Calculate the circumference of the circle whose area is $120 c{m}^2$.(In $cm$)Give your answer in $1$ decimal place.

Calculate the circumference of the circle whose area is $314 m{m}^2$.(In $mm$)Give your answer in $1$ decimal place.

Calculate the circumference of the circle whose area is $478 m^2$.(In $m$)Give your answer in $1$ decimal place.

Calculate the area of shaded part.(In $c{m}^2$)

There are two green areas in the park.They have equal areas.Tom runs around the circular path $B$.What distance does he run.( in $m$)