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ICE Princess25 [194]
3 years ago
10

Can you guys help me here please

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0
6.

You are shown a square pyramid.
We assume all sides to be congruent.
The sides are triangles with base 6 and height 5.
The base of the pyramid is a square with side 6.

SA = lateral area + base area

SA = 4 * bh/2 + s^2

SA = 4 * (6)(5)/2 + 6^2

SA = 60 + 36

SA = 96 square units

7.

The perimeter is the sum of the lengths of all sides.
The figure has 6 sides.
4 lengths are given.
We need to find the lengths of 2 sides.
The vertical side to the left of the 3 cm side has length 8 cm - 4 cm = 4 cm
The horizontal side just above the 4 cm side to the left has length 5 cm - 3 cm = 2 cm.
Now we know all side lengths. We just add them.

P = 3 cm + 8 cm + 5 cm + 4 cm + 2 cm + 4 cm

P = 26 cm
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