Answer:
r=-6
r=-1
Step-by-step explanation:
What is the answer to this problem? (Convex polygons)
2 answers:
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Answer:
20.2 ft^2
Step-by-step explanation:
Working shown in the pic.
He didn’t combine the -5r + 4r correctly and also he didn’t multiply 4 and -5 correctly.
if you can show your work. use
F O I L method
first
outer
inner
last.
r • r = r^2
r • -5 = -5r
r• 4 = 4r
4• -5 = -20.
the final equation is
R^2 + r -20
if you can show your work. use
F O I L method
first
outer
inner
last.
r • r = r^2
r • -5 = -5r
r• 4 = 4r
4• -5 = -20.
the final equation is
R^2 + r -20