Question

Use the information given in the following figure to find: (1).x
(2).angle b and angle c
angle A=90 degree
angle B=2x+4 degree
angle C=3x-5 degree
angle D=8x-15 degree

Answer 1

Answer:

angle( a+b+c+d) = 360°( sum angle of quadrilateral)

90+2x+4+3x-5+8x-15 = 360°

74+13x = 360°

13x= 286°

x= 22

angle b= 2(22) +4 = 48°

angle c= 3(22) -5= 61°

angle d = 8(22) -15= 161°

hope it is helpful.

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