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As the triangle is equilateral, the height can be calculated using Pythagoras:
side2 = (1/2side)2 + height2
=> height = sqrt(side2 - (1/2side)2)
=> height = side x sqrt(3) / 2
So the area can be calculated:
=> area = 1/2base x height
= 1/2side x side x sqrt(3) / 2
= side2 x sqrt(3) / 4
And plugging in the the side of 13cm:
Area ~= 73.2cm2
What else can I help you with?
An equilateral triangle and a square have equal perimeters what is the ratio of the area of the triangle to the area of the square?
If an equilateral triangle and a square have equal perimeters, then the ratio of the area of the triangle to the area of the square is 1:3.
What is the perimeter and area of an equilateral triangle with a side of 8?
Perimeter of equilateral triangle: 24 units Area of equilateral triangle: 27.713 square units rounded to three decimal places
An equilateral triangle has an area of What is the height?
8.7
Area of different shapes of equilateral triangle?
There is only one basic shape for an equilateral triangle. The area can only vary as the length of the sides vary.
What is the Relation between area of an equilateral triangle and area of a regular hexagon with same sides using activity method?
In our example, the area of the equilateral triangle is 1/6 of the area of the regular hexagon
FORMULA- area of equilateral triangle?
Area of Equilateral Triangle A= S2 * (Root 3)/4, where A= Area of the triangle S= Side of the triangle.
What is the area triangle 5cm 12cm 13cm?
30 square cm because it's a right angle triangle
What is the area of a right triangle with side 5cm and hypotenuse 13cm?
30cm2
An equilateral triangle and a square have equal perimeters what is the ratio of the area of the triangle to the area of the square?
If an equilateral triangle and a square have equal perimeters, then the ratio of the area of the triangle to the area of the square is 1:3.
What is the perimeter and area of an equilateral triangle with a side of 8?
Perimeter of equilateral triangle: 24 units Area of equilateral triangle: 27.713 square units rounded to three decimal places
What is the voume of equilateral triangle?
A triangle has area, not volume.
What is the area of an equilateral triangle that has a perimeter of 71 feet?
Find the area of an equilateral triangle if its perimeter is 18 ft
What is area of triangle when height is 50cm and triangle is an equilateral?
Area = 1443.376 cm2
An equilateral triangle has an area of What is the height?
8.7
What is area of equilateral triangle?
root3/4a2
Area of different shapes of equilateral triangle?
There is only one basic shape for an equilateral triangle. The area can only vary as the length of the sides vary.
Area of a equilateral triangle?
Area = 0.5*base*altitude
