What is the area of a semicircle whose radii is 6.3

What is the area of a semicircle whose radii is 6.3 (A) one-half
(B) one-fourth
(C) one-third
(viii) The central angle or a semicircle is
(B) 2700
(C) 1800
(A) 900
(ix) The central angle of a quadrant is
(C) 2700
(B) 1800
(A) 900
two-thtrdA
00
(x) Ifthe area Ofa semicircle is 84 crn:, then the area Of the circle is
(D) 288
(C) 168 cm'
(A) 144 crn: (B) 42 cm'
Find the perimeter and area of semicircles whose radii are,
(iv) 4.9 m
(iii) 6.3 m
(ii) 10.5 cm
(i) 35 cm
Find the perimeter and area of semicircles whose diameters arc,
(iv) 112m
(iii) 84 cm
(ii) 56 cm
(i) 2.8
Calculate the perimeter and area of a quadrant of the circles whose radii are,
(iv) 28 m
(iii)42m
(ii) 70 cm
(i) 98 cm
area of the semicircle ACB and the quadrant BOC in the
given