The angles of of a quadrilateral are 7x,10x,11x and 12x. Find the value of X and all the angles of the quadrilateral.
Answers
Answered by
3
Answer:
x=80
Step-by-step explanation:
the sumall the angles of the quadrilateral = 360.
7x+10x+11x+12x=360
40x=360
x=80
Answered by
6
Answer:
63,90,99,104
Step-by-step explanation:
7x,10x,11x,12x
7x+ 10x +11x +12x =360
40x=360
x=360/40=9
x=9
7x=7*9=63
10x=10*9=90
11x=11*9=99
12x=12*9=104
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