MEDIUM
8th ICSE
IMPORTANT
Earn 100

ABCD is a parallelogram. Prove that ABDCDB.

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Important Questions on Triangles

HARD
8th ICSE
IMPORTANT

OD is in the interior of AOB . P is any point in OD, PC, PD are perpendicular on OA,OB respectively. If PC=PD, prove thatPOC=POD .

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MEDIUM
8th ICSE
IMPORTANT

ABC is an isosceles  . BCDE is a square. AE, AD are joined. Prove thatABEACD .

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MEDIUM
8th ICSE
IMPORTANT

In the quadrilateral ABCD, AC bisects A and C. Prove that AB=AD and BC=DC.

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EASY
8th ICSE
IMPORTANT
Show that each angle of an equilateral triangle is 60° .
EASY
8th ICSE
IMPORTANT
Find the value of the acute angles in an isosceles right angled triangle.
EASY
8th ICSE
IMPORTANT

The side AB of ABC is produced on either side to D, E. Given thatCBE=148° and CAD= 85°, show that BC>AC .

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EASY
8th ICSE
IMPORTANT

InABC, AC = 7 cm and BC=8 cm. Show that AB<15 cm and AB>1 cm .

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EASY
8th ICSE
IMPORTANT

In ABC, side BA is produced to D and CD is joined. Given that BA= 5 cm, AD= 4 cm and BC= 3.8 cm show thatAC<8.8 cm and CD<12.8 cm.

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