Question

General formula 
In ex 3.4

4x+3<6x+7

How to make equation 

Find the value of under root of 1 - sin theta by 1 + sin theta place under root of 1 + sin theta by 1 minus sin theta if theta is between 90 to 180

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If one cuboid have volume 12 liter and it's leteral

 

surface area is 750 sq. Semi then find height? 

 

Why rhombus all side are equal

How4/5 ×100 is changed  into 4×20%

Please tell in English please tell in English

7th question (iii) in elimination method

What is mean by cpct

Find three common multiples of 6 and 8

There is an equilateral triangle of side 12 cm. A circle is described at the vertex as centre and cuts an equilateral triangle of equal area . Find the radius of the circle

Find a vector which is parallel to v=i-2j and has a magnitude 10.​

In ncert chapter 3 example number 24.Can I take 360°-30° to find the answer?

Language in Bengali

How can you say that if one pair of opposite side is equal and parallel ,abed is a parallelogram 

 can you find the area of the square PQRS? It is xxx=x2 how

if n=10,12,and20,than prove that 1 2 3 ... n=n(n 1)/2