answersLogoWhite

0

Let s = semiperimeter (ie half the perimeter)

So s = (a+b+c)/2 = (5 + 8 + 11)/2 = 24/2 = 12

Then area = sqrt[s*(s-a)*(s-b)*(s-c)]

= sqrt[12*7*4*1] = sqrt[336] = 18.33 square units.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is the area of trapezoid wxyz is wx equals 4 and xy equals 10 and yz equals 7 and wz equals 15?

Area of a trapezoid = 0.5*(sum of parallel sides)*height


What is the base measurement of a trianglewith an area of 30 and the height of 10?

6 units of measurement Check: 1/2*6*10 = 30 square units


What is the area of a trapezoid with sides equals 5 and 3 and 3 and 2?

approximately 12.7


What is the area of trapezoid if wx equals 4 xy equals 10 yz equals 7 zw equals 15?

It is not possible to answer the question without information about which sides are parallel.


If you have a rectangle whose Perimeter equals 60 and the Area equals 200 what are the lengths of the four sides?

The rectangle must have sides with lengths of 20, 20, 10, and 10. 20+20+10+10 = 60 (perimeter) 20*10 = 200 (area)


What is the area of a triangle with sides a equals 5 b equals 8 and c equals 11?

A triangle with side a: 5, side b: 8, and side c: 11 units has an area of 18.33 square units.


What is true about the area of similar triangles when the sides are increased by a factor of two?

When you multiple the area of the small triangle by four it equals the area of the large triangle.


What is true about the area of similar triangles when the sides are increased by the factor of two?

when you multiply the area of the small triangle by four it equals the area of the large triangle.


How do you find area of a trapezium?

A = half(a+b)h where h equals height and a and b are the parallel sides.


What is the formula for finding the demensions of a rectangle given the area?

The area of a rectangle equals its length times its width (A = l*w), so if you have the area divided by the one of the sides equals the other side (l = A/w; w = A/l )


If L equals 6 inches W equals 4 inches and H equals 3 inches what is the surface area of the rectangular prism?

Taking the four sides as each having 6 inch length, and the sum of the widths and heights of the sides being 14 inches, the area of the sides is 84 square inches (6 x 14), and the area of the ends is 24 square inches (2 x 3 x 4), for a total surface area of 108 square inches.


How do you find the area of a square when one side equals 5 ft?

Area = square of ANY side. Since all the sides of a square are the same...