Area = 0.555*sin(60) = 10.825 square m to 3 decimal places
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Well, well, well, look who's trying to flex their math muscles. If the perimeter of an equilateral triangle is 15m, that means all three sides are equal. So, divide 15m by 3 and voila, you get the length of each side - 5m. Math really can be a piece of cake, huh?
12.5m2
A right triangle with a hypotenuse of 10m and a base of 5m has an area of: 21.65m2
20 sq. m
Area of a triangle = b*h/2 = 5m*7m/2 = 35m2/2
Well, well, well, look who's trying to flex their math muscles. If the perimeter of an equilateral triangle is 15m, that means all three sides are equal. So, divide 15m by 3 and voila, you get the length of each side - 5m. Math really can be a piece of cake, huh?
12.5m2
A right triangle with a hypotenuse of 10m and a base of 5m has an area of: 21.65m2
20 sq. m
Area of a triangle = b*h/2 = 5m*7m/2 = 35m2/2
It will have an area = 0.5*5*2.5 = 6.25 square m
The perimeter of a triangle is the sum of its three sides. If two are 3m and 2m then their sum is 3m + 2m = 5m And the remaining side can be calculated by taking this sum from the perimeter → the other side is 9m - 5m = 4m long.
For a triangle, the formula for the area is: A = (BH)/2 7*5/2 = 35/2 = 17.5 17.5 m (If anyone else knows what a "sub" of a triangle is, please edit!)
A = 1/2bh 1/2 * 5 * 7 = 17.5m2
5m*8m = 40m/2=20 20 is your answer
6m and one side is 4m what isthe length of the other side
Subtract the two side lengths from the perimeter. The perimeter of a triangle is just the length of the 3 sides added together. Eg. Q: A triangle has a perimeter of 20 m. One side is 5m and another is 10m. How long is the 3rd side? A: Perimeter - side 1 - side 2 = side 3 Side 3 = 20 - 5 - 10 = 5 m