Showing posts with label the rectangle. Show all posts
Showing posts with label the rectangle. Show all posts

Thursday, March 21, 2013

All Answers to Area Math

Introduction to all answers to area math:

Area is the measure of surface occupied by an object. The standard unit for measurement of area is meter square (m2).However the areas of smaller dimensions can be expressed in mm2or cm2.The areas of large amount of dimensions can be expressed in acre or hectare. Here we are going to study about how to calculate the answer for area of the shape and its example problems. (Source from Wikipedia)

I like to share this Area Formula for a Rectangle with you all through my article.

Example problems for all answers to area math:


Example: 1

Find the area of the rectangle with base 8 meter and height is 7 meter

Solution:

We know the formula for find the area of the rectangle is base *height

Area = 8 *7

Area = 56 meter square

math answer:

The area of the given rectangle is 56 meter square.

Example: 2

Find the area of triangle with base 12 meter and height is 9 meter

Solution:

We know the formula for area of triangle,

Area =`1/2 `  (base *height)

Here base = 12 meter and height = 9 meter substitute the above formula we get

Area = `1/2 ` (12 * 9)

Area =`1/2` (108)

= `108/2`

= 54 meter square

math answer:

The area of the triangle is 27 meter square

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Example problem for all answers to area math: 3


A cylinder with radius 15 cm and height 3 cm calculate the surface area of the cylinder.

Solution:

Cylinder radius is (r) = 15 cm

Height of the cylinder (h) = 3cm

Already we know the formula for finding the surface area of the cylinder is

A = 2`pi` r2 + 2 `pi` r h

Here 2 `pi ` r is common so take out

A= 2 `pi` r (r+h)

Substitute the height and radius of the cylinder in the above formula we get

A= 2 * `pi` * 15 (15+3)

Simplify the above expression

Area = 2 * 3.14 *15 (18)

Area = 94.2 *18

Area = 1695.6

math answer:

Area of the given cylinder = 1695.6 cm square