Answer:
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867$
Step-by-step explanation:
Sana makatulog
Hi ;-)
4 cm
Perimeter = 18cm
θ = 2.5 radian
s = rθ, s = Arc length
Perimeter of Sector, P = arc length, s + 2r
Perimeter = rθ + 2r
r = Radius
18cm = r(2.5) + 2r
18cm = 2.5r + 2r
18cm = 4.5r
r = 18 /4.5
r = 4
<u>c = 5 </u>
-3 - 7 = -10
-2c = -10
-10/ -2 = c
c = 5
acute
