The original height of khafre's pyramid, next to the great pyramid, was about 471 ft. each side of its square base was about 708 ft. to the nearest square foot, what is the lateral area of a pyramid with those dimensions?
a.
839,276 ft2
c.
825,782 ft2
b.
834,308 ft2
d.
844,651 ft2

i think its a and d

step-by-step explanation:

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the figure is a concave pentagon.

step-by-step explanation:

in mathematical context, a pentagon is a flat, two-dimensional closed shape (polygon) with 5 straight sides and 5 angles.

now a pentagon is said to be concave if one or more corners bend inwards and at least one of its angles is 180 degrees or more than 180 degrees.

in the given figure, we can see that we have a corner which is bending inwards and an angle which is clearly greater than 180°. therefore, it is a concave pentagon.