The area of a triangle is (base*height)/2
Therefore: 12*10=120/2=60. Since there are three triangles then you multiply 60 by three. 60*3=180
Since the triangle in the middle is equilateral the height is 10. (10*10)/2=50
180+50=230
The answer is 230 inches²
Answer:
9.5 feet
Step-by-step explanation:
According to the question
The equation is
x²=90
x=√90
x=3√10 or 9.5
Answer: your answer is A) & D)
Step-by-step explanation: Hope this helps :)
Answer:
<h2>8 ft 11 in</h2>
Step-by-step explanation:
It's a matter of proportions.
Let's call them A and B. Now, let's make an equation.

Now that we know that...

Answer:
the answer is x=6
Step-by-step explanation:
5x+4+8x-3=79
13x+1=79
13x=78
x=6