For this case we have that the area of the triangle is given by:
Where:
b: It's the base
h: It's the height
We have to:
The atura will be given by:
So, the area is:
Answer:
144
Use the formula for the area of a circle to solve for the radius of the circle if the area is 78.5cm^2
1 answer:
You might be interested in
Given:
Length of rectangle = (x+10) cm
Width of the rectangle = x cm
Perimeter = 32 cm
To find:
The length of the rectangle.
Solution:
We know that,
Where, l is length and w is width.
Substituting the values, we get
Subtract 20 from both sides.
Divide both sides by
So, the length is
Therefore, the length of the rectangle is 13 cm.