Answer:
The triangle is a obtuse triangle
Step-by-step explanation:
Answer:
1 + root 5, 1 - root 5
Step-by-step explanation:
I assume you mean 3x^2-6x-12=0.
First, note that you can divide both sides by 3. You get:
x^2-2x-4=0
Use the quadratic equation.

Therefore, x=1 + root 5, 1 - root 5
Answer:
47.56
Step-by-step explanation:
11 square. units × 7 square. units × 1/2= B. 38.5 square. units.
The correct answer is
Triangle A
Triangle D
This is the answer because they are the same triangle but only triangle D is flipped upside-down.