Respuesta :

question 1 is 87 because two smaller angles added together equals the bigger angle.

question 2 is x=8. the equation is 3x-4+6x+2=70 and then solve for x.

question 3 is x=7. the equation is 6x-2+15=7x+6 and then solve for x.

question 4 is 21 because an angle bisector splits and angle into two equivalent angles.

question 5 is x=7. the equation would be 62=2(4x+3) and then solve for x.

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