# geometry

posted by .

The base of a pyramid is a square. The perimeter of the base is 20ft, and the surface area of the pyramid is 65ft^2. Find the slant height of the pyramid.

• geometry -

base is a 5 by 5 square

is the base included in the surface area ?

• geometry -

can I use tha formula is SA = b + 1/2pl?

• geometry -

8ougyogy

## Similar Questions

1. ### math/geometry

What are the surface areas of this two figures?
2. ### math

looking at a square pyramid, if the size of the base remains the same and the height of the pyramid varies what are the minimum surface area and minimum volume the pyramid can have?
3. ### Math

VWXYZ is a rectangle-based pyramid where WX = 66 cm and XY = 32 cm. The vertex is vertically above the center of the base. GIven that the slant heights of VA and VB are 56 cm and 63 cm respectively, find the total surfact area of the …
4. ### geometry

A pyramid has a square base with each side measuring 105.5 meters. The slant height of the pyramid is 65.5 meters. Find the lateral surface area of the pyramid.
5. ### Mathematics

OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the height of the pyramid, the volume of the pyramid, and the total surface area of the pyramid by first drawing …
6. ### geometry

The surface area of the following square pyramid is 152 cm2. What is the slant height, l, of the square pyramid in centimeters?
7. ### Maths

Solve the equation:a right pyramid with vertical height stand on rectangular base widith that measures 20cm by 14cm the hieght of the pyramid is 10cm calculate to 3 significant figure the length of the slant height , the surface area …
8. ### Maths

OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the height of the pyramid. The volume of the pyramid and the total surface of the pyramid.
9. ### Maths

OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the height of the pyramid. The volume of the pyramid and the total surface of the pyramid.
10. ### Math

The entrance hall to the Louvre Museum in Paris is a glass and metal pyramid with a surface area of approximately 1980 square on each side . The base of the pyramid is a square that is 35.4 meters on each side. What is the slant height …

More Similar Questions