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Dec 20, 2019 · If $$\dfrac{AN}{NB}=2$$ and area of triangle BKN is $$6$$, then area of triangle ABC is equal to. 1 Verified Answer Find the height of an equilateral triangle having side 2a. Learn how you can easily find the area of an equilateral triangle. Find out what number you need to be given before you start to solve it as well as the formula to use to plug in that number ...

Triangles each have three heights, each related to a separate base. Regardless of having up to three different heights, one triangle will always have only one measure of area. In some triangles, like right triangles, isosceles and equilateral triangles, finding the height is easy with one of two methods. Use the Pythagorean theorem to calculate the hypotenuse of a right triangle. A right triangle is a type of isosceles triangle. The hypotenuse is the side of the triangle opposite the right angle. Make certain the triangle is a right triangle. The Pythagorean theorem can only be used with isosceles triangles that are right triangles. Explanation: . Equilateral triangles have sides of all equal length and angles of 60°. To find the area, we can first find the height. To find the height, we can draw an altitude to one of the sides in order to split the triangle into two equal 30-60-90 triangles.

Owlcation » STEM » Math; How to Calculate the Sides and Angles of Triangles ... What is the formula for finding what an equilateral triangle of side a, b and c is? ... ABC is a triangle in which AB=20 cm and angle ABC =30°.Given that the area of the triangle is 90 cm^2, find the length of BC ? Answer: The formula for the area of the triangle ...

Area of an equilateral triangle. Area of a triangle given base and height. Area of a triangle given sides and angle. Area of a triangle (Heron's formula) Area of a triangle given base and angles. Area of a square. Area of a rectangle. Area of a trapezoid. Area of a rhombus. Area of a parallelogram given base and height. Area of a parallelogram ... We don't know what the height is without working it out. Pythagoras' theorem says that in a right triangle, the area of a square drawn on the longest side (the hypotenuse) is equal in area to the areas of the two squares drawn on the other two sides (the legs), added together. the three sides. The lengths of the perpendiculars are 14 cm, 10 cm and 6 cm. Find the area of the triangle. 4 The perimeter of an isosceles triangle is 32 cm. The ratio of the equal side to its base is 3 : 2. Find the area of the triangle. 5 Find the area of a parallelogram given in Fig. 12.2. Also find the length of the Dec 30, 2017 · This geometry video tutorial explains how to calculate the area of an equilateral triangle as well as how to derive the formula. ... Area of a Triangle, Given 3 Sides, ... Area of equilateral ... An Equilateral triangle has three sides of equal length. It is also equiangular because it has three angles of equal measure (60°). Learn how to calculate the perimeter, height and area of the equilateral triangle, with formulas and problems solved. You'll see how easy it is!How to find the area of a triangle: The area of a triangle can be found by multiplying the base times the one-half the height. If a triangle has a base of length 6 inches and a height of 4 inches, its area is 6*2=12 square inches

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Aug 13, 2018 · You are already given the formula, so all you have to do is plug in the side length. [math]A = \frac{\sqrt{3}}{4} \cdot s^2[/math] So for an equilatral triangle with side length [math]= 6[/math], we get [math]A = \frac{\sqrt{3}}{4} \cdot 6^2 = 9\s... New shocks knocking sound