Subtract 6.235 cm from 8.4 cm.

Subtract : -235 from -411 .

Subtract 1(5)/(6) from 8.

Subtract : -8pq" from "6pq

Solve: (Subtract (-5)/(7) from (6)/(14) ) xx (Subtract (-2)/(8) from (5)/(16) )

The sides of a pentagon are 6 cm, 8 cm, 5.4 cm, 6.6 cm and 7 cm long, find its perimeter.

Two sides of a triangle are 6 cm and 8 cm. If height of the triangle corresponding to 6 cm side is 4 cm, find : (i) area of the triangle (ii) height of the triangle corresponding to 8 cm side.

The radii of the circular ends of a frustum are 6 cm and 14 cm. If its slant height is 10 cm, then its vertical height is (a) 6 cm (b) 8 cm (c) 4 cm (d) 7 cm

The radii of the circular ends of a frustum are 6 cm and 14 cm. If its slant height is 10 cm, then its vertical height is (a) 6 cm (b) 8 cm (c) 4 cm (d) 7 cm

A diagonal of a quadrilateral is 30 cm in length and the lengths of perpendiculars to it from the opposite vertices are 6.8 cm and 9.6 cm. Find the area of the quadrilateral.