Answer please. worth 50 points
2 answers:
Answer:
Cone- 138.16
Square pyramid- 352
Step-by-step explanation:
the formula for surface area of cone is piR^2 + piRL
(R is radius and L is the length down the side of the cone)
the formal for lateral area of square pyramid is (1/2) L times P
(L is length down side and p is perimeter of base)
Answer: The cone is 138.16
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Answer:
2x-9y=-51
2x-3y=-9
subtract question ii from i we get
-6y = -42
y =7
put value of y in 1
2x - 63 = -51
2x= 8
x=4
2(7x - 3) = 9
step 1 : distribute thru the parenthesis......14x - 6 = 9
step 2 : add 6 to both sides.......14x = 15
Answer:
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Step-by-step explanation:
83 hope it helps get a good grade
