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11. Find the sum of x +y+z in the following figuresa.b.C.350 6049°5212. Find the sum of a+b+c+d in the following fiun |
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Answer» a) x+50=180 so x=130 y+70=180 so y=110 z+60=180 so z=120x+y+z=130+110+120=360b) x+90=180 so x=90 y+35=180 so y=145 z+55=180 so z=125x+y+z=90+145+125=360c) x+49=180 so x=131 y+52=180 so y=128 z+79=180 so z=101x+y+z=131+101+128=360 |
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