Step-by-step explanation:
Ja, es ist passiert, dass mein Lehrer auch dasselbe macht und alle Schüler langweilen
Answer:
45
Step-by-step explanation:
If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height.
. x = 12.99 or 13