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QUADRILATERALS

QUADRILATERALS

QUADRILATERALS

PROBABILITY

TRIANGLES

P, Q, R and S are respectively the midpoints of the sides AB, BC, CD and DA of a quadrilateral ABCD. Show that

(i) PQ||AC and PQ=12AC

(ii) PQ||SR

(iii) PQRS is a parallelogram .

Three angles of a quadrilateral are 80∘,95∘and112∘. Its fourth angle is

Three angles of a quadrilateral are 75∘,90∘and75∘. Find the measure of the fourth angle.

In a sample survey of 645 people , it was found that 516 people have a high school certificate . If a person is chosen at random , what is the probability that he/she has a high school certificate ?

In a ΔABC, side BC is produced to D. If ∠ABC=50∘and∠ACD=110∘ then ∠A=?

How many lines of symmetry does the above figure have ?

Determine the point of symmetry of a regular hexagon.

Dtermine the images of the following figure about the given line :

Match the following Column A to Column B

Match the following Column A to Column B

Match the following Column A to Column B

Find the area of figure given below.

Find the perimeter of the figure given below.

Find the area of the figure given below.

The area of the shaded part in the figure given below is ______.

The inequation represented by the graph given below is :