In circle MM, mangle, N, M, O, equals, 70, degrees∠NMO=70 ∘ and the area of the shaded sector = start fraction, 7, divided by, 4, end fraction, pi 47​ π. Find the length of start overline, M, N, end overline MN .

In circle JJ, mangle, K, J, L, equals, 160, degrees∠KJL=160 ∘ and the area of shaded sector = start fraction, 16, divided by, 9, end fraction, pi 916​ π. Find the length of arc, K, L KL⌢ . Express your answer as a fraction times piπ.

In circle UU, mangle, V, U, W, equals, 20, degrees∠VUW=20 ∘ and the area of shaded sector = start fraction, 25, divided by, 18, end fraction, pi 1825​ π. Find the length of arc, V, W VW⌢ . Express your answer as a fraction times piπ.

In circle PP, mangle, Q, P, R, equals, 144, degrees∠QPR=144 ∘ and the length of arc, Q, R, equals, 4, pi QR⌢​ =4π. Find the length of start overline, P, Q, end overline PQ​ .

In circle TT, the length of arc, U, V, equals, start fraction, 4, divided by, 3, end fraction, pi UV⌢ = 34​ π and mangle, U, T, V, equals, 80, degrees∠UTV=80 ∘ . Find the area shaded below. Express your answer as a fraction times piπ.

Given the circle below with secants start overline, E, F, G, end overline EFG and start overline, I, H, G, end overline IHG . If F, G, equals, 25, comma, H, G, equals, 22FG=25,HG=22 and I, HIH is 88 more than E, FEF, find the length of start overline, I, H, end overline IH . Round to the nearest tenth if necessary.