MEDIUM
8th ICSE
IMPORTANT
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ABCD is an isosceles trapezium with AB,CD as nonparallel sides. E is the mid-point of AD. B,C are joined to E. Prove that ABE=DCE.

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Important Questions on Quadrilaterals and Polygons

MEDIUM
8th ICSE
IMPORTANT

ABCD is a parallelogram and the diagonals intersect at OE,F are the mid-pts of AO,OC respectively. B is joined to E and D is joined to F. Prove that OBE=ODF.

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MEDIUM
8th ICSE
IMPORTANT

ABCD is a kite and the diagonals intersect at O. GivenADO=48° and CBO=62°, find the values of a°,b°,c° and d°.

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MEDIUM
8th ICSE
IMPORTANT

ABC is an equilateral  and BCDE is a square. A is joined to E and D. Prove that BAE=CAD.

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MEDIUM
8th ICSE
IMPORTANT
If the interior angle of a regular convex polygon with 24 sides is k°, then find the value of k.
MEDIUM
8th ICSE
IMPORTANT
The sum of the interior angles of a polygon is 6714°. Find the number of sides.
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8th ICSE
IMPORTANT
The sum of the interior angles of a regular polygon is 2340°. Find the size of an exterior angle.
MEDIUM
8th ICSE
IMPORTANT
Four angles of a hexagon are 60°,70°,80° and 100°. The remaining two angles are equal. Find them.
MEDIUM
8th ICSE
IMPORTANT
Two angles of a pentagon are right angles. The remaining three angles are in the ratio 2:3:4. Find the three angles.