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Given: base length, l= 7m, base width, w= 5m

Slant height, s= 10m

The base of a rectangular pyramid is a rectangle.

Surface area of the rectangular pyramid= (l* w) + (l* s) + (w* s)

This gives: Surface area of the rectangular pyramid, SA= (7* 5) + (7* 10) + (5* 10) = 155m

Therefore, the surface area of the given rectangular pyramid is 155m

Given: base length, b= 6m

Slant height of the pyramid, s = 9m

The base of a square pyramid is a square.

Surface area of a square pyramid = b

This gives: Surface area of the square pyramid, SA= (6)

Therefore, the surface area of the given square pyramid is 144m