Answer:
The exact length of the third side would be 9.
Step-by-step explanation:
To find the length of the triangle, just add the height (6) and the base (3) which equals 9.
Answer:
8.3
Step-by-step explanation:use law of cosine
solve equation
substitute
simplify
Answer:
Step-by-step explanation:
we know that
An equilateral triangle has three equal sides and three equal interior angles (the measure of each interior angle is equal to 60 degrees)
see the attached figure to better understand tyhe problem
Let
h ----> the height of an equilateral triangle
b ---> the length side of an equilateral triangle
In the right triangle ABD
Applying the Pythagorean Theorem

substitute the given values

square root both sides
You write each fraction that is equivalent to a whole number like this 2/1, 3/1, 4/1 as 2 over 1 or 3 over 1 or 4 over 1