Ask a New Question

An equilateral triangle has sides 12cm in length. Calculate the perpendicular height of the triangle. (to the nearest mm)

1 answer

draw the diagram. You will see that you have two 30-60-90 right triangles, whose sides are in the ratios 1:√3:2
So the altitude is 6√3

Ask a New Question or answer this question.

Similar Questions

Find the area of each equilateral triangle.The triangle has 12cm sides. The triangle has 10in altitudes.
1. 1 answer
In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90Â°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the
1. 1 answer
The altitude of an equilateral triangle is 12cm. Find the length of the sides.
1. 1 answer
The angles of a triangle are in the ratio 2:3:51. Show that the triangle is right angled. 2. The length of the hypotenuse of the
1. 1 answer

more similar questions