Question

in the adjoining figure the radius is 3.5 cm find the perimeter of the quarter quarter of the circle correct to one decimal place

top is the fig. ​

Answer 1

${\red{hola!}}$

Given:-
radius=3.5cm

Perimeter=2πr/4
Area=πr²/4

Perimeter=2×22/7×3.5×1/4
=2×22×0.5/4
=44×0.5/4
=11×0.5
${\boxed{\green{Circumference=5.5cm}}}$

Area=πr²/4
=22/7×3.5×3.5×1/4
=22×0.5×3.5/4
=22×1.75/4
=38.5/4
${\boxed{\pink{Area=9.625cm^2}}}$