1.

Find the sizes of the angles of a parallelogram if one angle is 20° less than twice the smallest angle.​

Answer»

Answer:

let SMALLEST ANGLE be X°

then the other will be (2x-20)°

we know that adjacent angles of ||GM are supplementary

therefore,

x + 2x-20=180

3x=180+20

3x=200

x=200/3

x=66.6°

other angle =2× 66.6. -20= 113.3°

Step-by-step explanation:



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