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Earn +20 ptsQ: If the height of a triangle is doubled how does the area change?
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If the base and height of a triangle are doubled how is its area changed?
The area is multiplied by 4, not doubled.
If the base of a triangle is doubled but the height remains the same how does the area change?
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.
How is the area of a triangle affected if the height is doubled but the length of the base remains the same?
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
How do you get the base of a triangle when you have the height and area?
Area of a triangle = base * height / 2 Therefore the base = Area * 2 / height
The base of a triangle is 8 cm. the triangle has a area of 28cm2 the height of the triangle is cm?
Area of Triangle = 1/2 base x height 28 = 4 x height height = 7 cms
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