(b) part solution . Need urgent
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(B) sum of angles in a quadrilateral is 360°
given two angles are 30° and 40°
other two angles are equal
let the other two angles be x
x+x+30+40=360
2x=290
x=290/2=145
given two angles are 30° and 40°
other two angles are equal
let the other two angles be x
x+x+30+40=360
2x=290
x=290/2=145
Answered by
1
sum of angles of a quadrilateral =360'......(1)
and two of its angles are=30',40'
and two angles are equla let them be X
therefore by statement.... (1)
30+40+x+x =360'
70+2x =360
2x=360-70
2x=290
x=290/2=145'
therefore missing angles are 145',145'
and two of its angles are=30',40'
and two angles are equla let them be X
therefore by statement.... (1)
30+40+x+x =360'
70+2x =360
2x=360-70
2x=290
x=290/2=145'
therefore missing angles are 145',145'
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