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You will need to know the height before you can calculate the base form the area.

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13y ago
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Q: How do you find length of base if you already know the area of triangle?
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Related questions

What effect does doubling the base of a triangle have on the area?

Doubling the base of a triangle while keeping the height constant will double the area of the triangle. The area of a triangle is directly proportional to its base length, so increasing the base length by a factor of 2 will result in the area being multiplied by 2 as well.


How do you find base of triangle with area and base?

It appears as if you already know the base.


Why is the area of a triangle base times length divided by 2?

Because base times height = the area of a parallelogram and a triangle's area is half that of the parallelogram that the triangle exactly fits into.


What is the area of a triangle if the length is ten and the height is twenty?

If the given length is the measure length of the base of the triangle, then the area of the triangle is: A = (bh)/2 = (10 x 20)/2 = 100.


What is the formula to finding an area to a right triangle?

The area of any triangle is1/2 of (the length of the triangle's base) times (the triangle's height).


How do you find the length of the base with no area and no height?

The measurement of the angle of the triangle...supposing it is a triangle.


What is the area of right angled triangle at the right?

There is no right triangle on the right! (Ignore the length of the hypotenuse of a right triangle.) if you have the length of the two legs (base and the upright side): (base x upright) ÷ 2 = area of the right angle triangle.


How do you find the area of a triangle if you know the length of all three sides?

The area of a triangle (At) is one half the length of the base (b) times the height (h).Atriangle = 0.5bhThe height of a triangle is the length of the line drawn perpendicular (at right angles to) to the base from the angle opposite the base.


How do you find the area of an acute triangle?

The area of any triangle is (1/2 the length of its base) x (its height).


Find the area of each triangle?

Formula for area of Triangle: a=0.5(bh) Where b is the base length and h is the height. For example, a triangle of base 10 and height 5 has an area of 25.


What is the area of a triangle with base of 4'' and a height of 10''?

The area of a triangle is (1/2) x (length of the base) x (height of the triangle). You ought to be able to handle it from this point.


What is the area of a triangle that has a base of 18'' and a height of 9''?

The area of a triangle is (1/2) x (length of the base) x (height of the triangle). You ought to be able to handle it from this point.