Question

1. Each of equal sides of isosceles right triangle is 20 cm. What is the semi perimeter of the triangle?


2. Find the area of triangle with base 8cm and height 5.5 cm.
The volumes of two cylinders are as a :b and their heights are as cid. Find the ratio of their diameters?

3. The edge of a cube is 20 cm. How many small cubes of edge 5 cm can be formed from this cube?

4. Find the range of the data 15, 20, 6, 5, 30, 35, 92, 35, 90, 18, 82.


5.Find the class mark of the class 90-120.

please help needed​

Answer 1

Answer:

hope it will help you to solve the first question