SELECT PAGE NO.
No Books/Pages Are Available |
SELECT PROBLEM NO. FOR THE PAGE |
To find the surface area, first find the slant height of the pyramid.The slant height is the
hypotenuse of a right triangle with legs that are the altitude and a segment with a length
that is one-half the side measure of the base.
Given that height(h) of pyramid = 7 ft.
(Pythagorean theorem)
(Substitute )
(Evaluate powers)
(Add: )
(Take square root)
(Use a calculator)
Perimeter:
(Substitute base = 4)
(Multiply: )
Area:
(Substitute base = 4)
(Evaluate powers)
Surface area(T):
(Surface area of regular pyramid)
(Substitute )
(Multiply)
(Add: )
The surface area is approximately 74.4 square feets.
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |