of the diagonals of a parallelogram are equal then show that it is a rectangle 

Slove 15=9 25

Find the square root of the following fraction:- 
(a) 144/289

in figure AD/DB =AE/EC and angle ADE = 60 , angle B = --------

How to do that problem

Complete the sentence

Social

The tenth term of AP in 2,7,12 is 

Complete the pattern

A tree breaks due to Storm and the broken part bend so that the touches the ground making an angle 30 degree  with it.  The distance between the foot of the treeto the point where the top touch the ground 8 m.  Find the height of the tree.

 

2.56

He took a loan from his family friend Mr. Avinash of INR 25,00,000 and deposited it into the bank. Interest is paid at the rate of 12% per annum, 12 months Interest is to be paid on May 01 2020 

Where we can find the formula sheet of all chapters ??

2.   Convert each part of the ratio to percentage:
a. 3:1        b.   2:3:5      c.    1:4        d. 1:2:5
 The population of a city decreased from 25,000 to 24,500. Find the percentage decrease
4.   Arun bought a car for ₹ 3,50,000. The next years ,the price went up to ₹3,70,000. What was the percentage of peice increases ?

Solution for algebric
expression 

Solve 2 x square root 3x-1=0

X*2 = sin*2theta

Whu to