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What is the altitude of triangle if its base is twice its altitude and its area is 144 cm?
Well, darling, if the base of the triangle is twice the altitude, then we can call the altitude 'x' and the base '2x'. The area of a triangle is calculated by the formula 1/2 * base * height, so in this case, it would be 1/2 * 2x * x = 144 cm². Solve for 'x' and you'll find the altitude of the triangle.
How do you calculate the surface area of a triangle?
Half base x altitude.
What is the area of a triangle whose base is 12cm and an altitude of 10cm?
The area of triangle is : 60.0
What is the area of an equilateral triangle with a side of 20 inches?
Area = 1/2*altitude*base Area = 1/2*17.32050808*20 Area = 173.2050808 square inches The altitude or height was worked out by using Pythagoras' theorem.
A rectangle and triangle have equal areas. The rectangle is 12 inches long and 8 inches wide. If the base of the triangle is 32 inches what is the length in inches of the altitude drawn to the base?
The altitude will be 6 inches in length. The area of the rectangle is length (l) times width (w) or l x w = 12 x 8 = 96 The area of a triangle is 1/2 the base (b) times the height (h), or altitude, and, because the area of the triangle is equal to the area of the rectangle, both will have an area of 96. For the triangle, 1/2 b x h = 1/2 x 32 x h = 96, and 16 x h = 96, and h = 6
