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Earn +20 ptsQ: How do l work out the area of a triangle?
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How do l work out the area of an equilateral triangle?
0.5 x base length x vertical height
How do you figure out Area of a triangle?
Turn the triangle into a square work out the area for that then half your answer ---- For an equilateral triangle, use the formula 1/2 x base x perpendicular height to work out the area.
Find the area L 16 in H 14 in in a triangle?
Area of the triangle: 0.5*16*14 = 112 square inches
In a right angle triangle isoceles triangle area is 32cm square Find the sides of the triangle?
If the legs have length L, then 1/2*L*L = 32 so that L = 8 cm. And the hypotenuse is 8*sqrt(2) = 11.31 cm.
Find the area of an equilateral triangle with altitude h cm?
The altitude of an equilateral triangle bisects the base. So, if the sides of the triangle were l cm, the altitude forms a right angled triangle with sides h, l/2 and hypotenuse l cm. Then, by Pythagoras, h2 = 3l2 / 4 so that h = l*sqrt(3)/2 and then area = l*h/2 = l*[l*sqrt(3)/2]/2 =l2*sqrt(3)/4
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