Draw a line segment of length 7.8 cm and divide it in the ratio 5:8. Measure the two parts.

In the fig. if LM II CB and LN II CD, prove that

A quadrilateral ABCD is drawn to circumscribe a circle. Prove that AB + CD = AD + BC.

Given 15 cot A =8, find sin A and sec A.

OR

Find tan P – cot R

How many terms of the A. P : 9,17,25, .......must be taken to give a sum 636?