Answer:

Step-by-step explanation:
We have the square and four equilateral triangles.
The formula of an area of a squre:

a - length of side
The formula of an area of an equilateral triangle:

a - length of side
Clculate the areas:
SQURE:

TRIANGLE:

The SURFACE AREA of a square pyramid:

Put x = 5:

Answer:
one third :) ;) hope it helps
Anything less than 90, i hope this helps
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