Please tell me answer of this question I will add your answers to brain list
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55cm is the answer.
kmodi2222:
its wrong
the answer is 11(4+√2)
and the another answer is 65°
in first question we know that the sum of all angle of the quadrilateral is 360° so we put the value and we got the value of x and then find the angles....
Answered by
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Answer:65
Step-by-step explanation:
Sum of angles of quardilater =360
3x+15+x+20+2x+30+3x-20=360
9x+45=360
9x=315
X=35
Then,
3x+15 =3×35+15
=120
Greatest angle
X+20=35+20
=55
Smallest angle
120-55=65
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