Class-9,Areas of Parallelograms and Triangles

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Q1) The median of a triangle divides it into two *

1 point

congruent triangles.

right angles.

triangles of different areas.

isosceles triangles.

Q2) ABCD is quadrilateral whose diagonal AC divides it into two parts, equal in area, then ABCD *

1 point

is a rectangles

need not be any of (a), (b) or (c).

is a rhombus

is a parallelogram

Q3) Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is *

1 point

1 : 1.

3 : 1.

2 : 1.

1 : 2.

Q4) The mid-point of the sides of a triangle along with any of the vertices as the fourth point make a parallelogram of area equal to *

1 point

ar(△ABC).

1/3ar(△ABC).

1/4ar(△ABC).

1/2ar(△ABC).

Q5) In a △ABC, D, E, F are the mid-points of sides BC, CA and AB respectively. If ar(△ABC) = 16 cm2, then ar (trapezium FBCE) = *

1 point

8 cm2

10 cm2

12 cm2

4 cm2

Q6) If a triangle and a parallelogram are on the same base and between the same parallels, then the ratio of the area of the triangle to the area of the parallelogram is *

1 point

1 : 3

1 : 4

1 : 2

3 : 1

Q7) Diagonals AC and BD of trapezium ABCD in which AB || DC, intersect each other at O. The triangle which is equal in area to triangle AOD is *

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△AOB

△BOC

△DOC

△ADC

Q8) ABCD is a square. DEGH is a rectangle. Two equal parallelograms on the base DE are *

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DEGC, DEFH.

DCFE, DCBA.

DEGH, DEFC.

ABCD, HDEG.

Q9)In the given figure if AD∥BC then the triangle which is equal in area to △COD is *

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△BOA.

△ADC.

△AOD.

△COB.

Q10) ABCD is a parallelogram. If AB = 12 cm, AE 7.5 cm, CF = 15 cm, then AD is equal to *

1 point

3 cm

8 cm

6 cm

10.5 cm

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