if the angles of a quadilateral are x, (x-10) , (x+ 30) and 2x degree then find the greatest angle
Answers
Answered by
0
Answer:
X+(X-10)+(X+30)+2X=360
X+X-10+X+30+2X=360
5X+20=360
5X=340
X= 68
X=68
X-10=58
X+30=98
2X= 136
SO 136(2X) IS THE GREATEST ANGLE
Answered by
0
Answer:
136°
Step-by-step explanation:
sum of angles in a quadrilateral =360
x+x-10+x+30+2x=360
5x+20=360
5x=360-20=340
x=340÷5=68
Greatest angle =2x=2×68
=136°
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