It is 2i I standing for imaginary since it is a negative
square root of -1×4
4 square rooted is 2
and a negative number square rooted is i
Answer:
178.3 mm²
Explanation:
The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()
1b.regular polygon
2b.regular octagon
& in the bottom is ....
3a.rectangle
3b.trapezoid
3c.square
