# Calculate area of triangle

## ( Equivalent to: surface area of triangle )

In next fields, kindly type the dimensions of your shape in the text box under title [ Unknowns: ]. After you type your value, click "CALCULATE" button; the answer will be automatically calculated and displayed in the text box under title [ Answer: ]. Also, you will be able to animate your shape through buttons under the below figure.

## How to Calculate Area Of Triangle

### Example: What is the area of triangle with base = 1 units and height = 10 units?

As;

area of triangle = 1/2*base*height

By substituting the above given data in the previous function;

(i.e.) = 1/2*1*10

### Practice Question: Calculate area of triangle for the following problems:

N.B.: After working out the answer of each of the next questions, click adjacent button of see the correct answer.

( i ) base = 21 units and height = 9 units

( ii ) base = 1 units and height = 12 units

( iii ) base = 22 units and height = 22 units

References
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