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24°
58°
32°
66°
8^2=15^2+12^2-2(15)(12)Cos C
Solve for c..u will get the answer...i dont have calculator lol///
Hope i Help,..
using the law of cosines: 8^2 = 12^2 + 15^2 -2(12)(15)cos theta
64 = 144 + 225 -360cos theta
-360costheta = 64-144-225 = -305
costheta= -305/-360 = 0.84722
theta = arcos(0.84722) = 32°
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8^2=15^2+12^2-2(15)(12)Cos C
Solve for c..u will get the answer...i dont have calculator lol///
Hope i Help,..
using the law of cosines: 8^2 = 12^2 + 15^2 -2(12)(15)cos theta
64 = 144 + 225 -360cos theta
-360costheta = 64-144-225 = -305
costheta= -305/-360 = 0.84722
theta = arcos(0.84722) = 32°