I think the answer is 62 cm2
Answer
Go to www.mathborl.com/middle for step by step.
Step-by-step explanation:
Answer:
6.4
Step-by-step explanation:
A) x + y = 24
B) x^2 + y^2 = 306
A) x = 24 -y
Then substituting this into B)
(24 - y)^2 +y^2 = 306
576 -48y +y^2 + y^2 = 306
2 y^2 -48y + 270 = 0
x1 = 15
x2 = 9