Q1. Anangleofaparallelogrammeasures70degree.Findthemeasureofremainingthree
angles.
Q2. OneangleofaQuadrilateralis111degreeandtheremainingthreeanglesareequal.Find
theseangles.
Q3. Findthemeasureofaninteriorangleofaregularpolygonhaving15sides.
Q4. Ifanexteriorangleofaregularpolygonis45degreesthenfindthenumberofsides.
Answers
Answered by
0
Answer:
bro first please give space after the word it's a humble request
Answered by
2
Answer: 1. In parallelogram abcd. Let a be 70 degree.
Then c=a=70.
Sum of angles=360
Sum of b and d=220
B=d=220/2=110
2. Sum of angles of a quadrilateral=360
111+rem.3 angles=360
111+x+x+x=360
3x=360-111=249
X=249/3=83
3)Sum of interior angles=(n-2)*180
=13*180=2340
Measure of each angle=2340/15=156
4)Measure of each ext. angle=360/n
360/n=45
n=360/45=8
Similar questions