Answer:
Perimeter of a SQUARE
4 x s
4 x 2.3 = 9.2 cm
Hence the perimeter of the square is 9.2cm
Answer:
yes
Step-by-step explanation:
f(x) = x^2 -1
Hope it helps!!
by pythagorean formula, the last side is √(61)
by cos rule
cos A

A = 39.81
Answer:x=4
Step-by-step explanation: