Answer:
Um for what test?
Step-by-step explanation:
Answer:
6 inches
Step-by-step explanation:
Formula for surface area of a cylinder:
Plug in values and solve for the radius:
Divide both sides by
Subtract 90 from both sides
Use the quadratic equation to find the roots
± (sorry for formatting, Brainly doesn't
allow equations with ± in them)
and
and
and
and
and
and
We can't have a negative radius, so that leaves us with r=6 in.
Step-by-step explanation:
zdsfcrtydfu6tyg87uytg867yutg867utyg56rfvtyfv6ytfv6tuyfrvuytrfvghfvhtfgvtyfv6tyftyhgfvuthfyuhfgvuytfg