Answer:
217
Step-by-step explanation:
1/2 * 12 * 7 = 42 this is one side of the pyramid
4x for all sides = 168
add the bottom which is just a square 7*7 = 49
168 + 49 = 217
Find attached the solution
C.171
4×7(2)-25
4×49-25
multiply 4×49=196-25
then subtract 196-25=171
-3
Square root of 12 = 3.46410161514
Square root of 15 = 3.87298334621
Difference = .3219671948
Put it on a number line and that should be ur answer, also plz mark brainliest.
