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The area is multiplied by 4, not doubled.

Q: If the base and height of a triangle are doubled how is its area changed?

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The area of the triangle would double

Area = 1/2 x base x height The area of a triangle is directly proportional to its base (and also, actually, to it's height). Therefore, any change to the base (or it's height) is directly conferred onto that triangle's area. BY DOUBLING THE BASE OF A TRIANGLE, IT'S AREA TOO WILL DOUBLE.

The area is doubled. a,b - cathetus; c - hypotenuse; h - height; S - area. S = (a*b)/2 = (c*h)/2 obviously if k is the doubled height. and A is the new area. A = (c*k)/2 = (c*2h)/2 = c*h and A = S*2

Area of a triangle = base * height / 2 Therefore the base = Area * 2 / height

Area of Triangle = 1/2 base x height 28 = 4 x height height = 7 cms

Related questions

The area of the triangle would double

If the base stays the same, the area is also doubled.

The area gets doubled.

If the altitude is not changed, the area would be doubled.

The exact same as the original triangle.

In the first case, the area will remain the same. In the second case, the area will doubled.

If the linear dimensions are doubled, the area is multiplied by (2)2 = 4 .

The area doubles if the base stays the same.

you can cut a triangle directly

nothing

The area should increase.

Area = 1/2 x base x height The area of a triangle is directly proportional to its base (and also, actually, to it's height). Therefore, any change to the base (or it's height) is directly conferred onto that triangle's area. BY DOUBLING THE BASE OF A TRIANGLE, IT'S AREA TOO WILL DOUBLE.