Asked by Abishek
An isosceles traingle has a base of length 2m sides and length of square root 2. Determine the exact value of the apex angle in radius.
Answers
Answered by
Reiny
Sketch your triangle, draw in an altitude to see 2 congruent right-angled triangle
Look at one them.
It has a base of 1, a height of h and a hypotenuse of √2
So you recognize the triangle? You should know this one.
So what is the vertex angle?
Look at one them.
It has a base of 1, a height of h and a hypotenuse of √2
So you recognize the triangle? You should know this one.
So what is the vertex angle?