1.

Two angle of a quadrilateral are 68 and 76 if the other two numbers are in the ratio 5:7 find the measure of each of them​

Answer»

Answer:

90,126

Step-by-step EXPLANATION:

sum of all angles of a QUADRILATERAL =360

let the other two angles be 5x and 7x.

68+76+5x+7x=360

144+12x=360

12x=360-144

12x= 216

x= 18

5x= 5(18)=90

7x= 7(18)= 126


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