Class 8th Worksheet_09.12.2016
Based on
quadrilateral
1.The angles of a quadrilateral are
in the ratio 3:5:9:13 . Find all angles of the quadrilateral.
2.Find the number of diagonals in a
polygon of 8 sides.
3.Two adjacent angles of a
parallelogram are in the ratio 4:5 . Find their measures.
4.Each interior angles of a polygon
is 1080.Find the number of sides of the polygon.
5.Construct a rhombus DARE given that
DA= 6 cm and <A=1100.
6.The adjacent angle of a parallelogram
are (2x-4)0and(3x-1)0.Find the measures of all angles
of the parallelogram .
7.Three angles of a quadrilateral are
equal. Fourth angle is of measure 1200.What is the measure of equal
angles?
8.Construct a trapezium PQRS in which
PQ II SR , <P=105 , PS=3 cm,PQ=4 cm and RS=8 cm
9.Construct a parallelogram PQRS in
which PQ= 4 cm , QR = 5 cm and <B=600.
10.Construct a square in which each
diagonal is 5 cm long.
*Practice Q144,Q148,Q150,Q154,Q163 of
book.
*Revise first page of Unit 5 (Main
concepts and results)
============================================