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ICSE Class 8 Answered

three angles of a quardilateral are in the ratio 2:5:6. if the fourth angle measures 100^○, find the other three angles of a quardilateral.
Asked by aradhanadas317 | 10 Dec, 2020, 07:56: PM
answered-by-expert Expert Answer
 
Let the three angles of the quadrilateral be 2x, 5x abd 6x.
 
Sum of all the angles of a quadrilateral be 360º.
 
2x+5x+6x+100=360
→ 13x = 260
→     x = 20
 
Therefore, the three angles of a quadrilateral are 2(20)=40º, 5(20)=100º  and 6(20) = 120º.
Answered by Yasmeen Khan | 11 Dec, 2020, 09:45: AM
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