Deltahedron, hope this helps :)
Answer:
3(sqrt42) ft
Step-by-step explanation:
If <em>l</em> is side length of square patio, then area of patio would be <em>l^2.</em>
<em>l^2 = 378</em>
<em>l = sqrt378 = 3(sqrt42)</em>
It's the harder way of using cross multiplication
Answer:
D 53 is the answer I just took the test
I just looked up the question Bc I didn’t know if there was more to it but, Helen bought 15 chips and 8 pretzels. I hope this helps!!