Answer is 21 because of bedmass
Answer:
87380
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
where a is the first term and r the common ratio
r = = 4 and a = 4, hence
= = = 87380
Answer:
A quadrilateral and parallelogram
Step-by-step explanation:
Answer:
Side length = 8xy^2
Perimeter = 32xy^2.
Step-by-step explanation:
As it's a square the side length is the square root of the area
= √ (64x^2y^4)
= 8xy^2.
The perimeter is 4 times this.