Mathematics
The perimeter of a semi-circular metallic plate is 86.4 cm. Calculate the radius and area of the plate.
Related Questions
The area of a circle is 394.24 cm2. Calculate :
(i) the radius of the circle,
(ii) the circumference of the circle.
Find the perimeter and area of a semi-circular plate of radius 25 cm.
The circumference of a circle exceeds its diameter by 180 cm. Calculate :
(i) the radius
(ii) the circumference and
(iii) the area of the circle.
A copper wire when bent in the form of a square encloses an area of 272.25 cm2. If the same wire is bent into the form of circle, what will be the area enclosed by the wire?