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answered: Guest
This polygon has 4 sides 180(4-2) = 180(2) = 360 degree 80+90+2x + 3x = 360 170+5x = 360 5x = 190 x= 38 measure of angle t is 2(38)= 76 the answer is c. trust me hope this !
Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?