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malfutka [58]
3 years ago
7

What is the surface area

Mathematics
1 answer:
wel3 years ago
3 0
The rule of surface area for the cone is
Pi r^2+2pi L
This means
pi*7^2+ 7*pi*9=352 feet^2
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The perimeter of Square three is 20.4 square units in the perimeter of square two is 27.2 square units what is the area of squar
koban [17]

Answer:

a=554.88

Step-by-step explanation:

20.4*27.2=

3 0
3 years ago
A factory produces 1,250,000 toys each year. The number of toys is expected to increase by about 150% per year. Which model can
mrs_skeptik [129]
The answer is D. 
You multiply 1,250,000 by 1.50= 1,875,000
Then add 1,875,000 to 1,250,000= 3,125,000
Divide by 1,000,000 and you get 3.125
3 0
3 years ago
Read 2 more answers
Find the exact values of all three trigonometric functions for each angle.
My name is Ann [436]

Answer:

Sin (270º)= -1

Cos (270º) = 0

Tan (270º) = -∞

Sin (330º) = -0.5

Cos (330º) = \frac{\sqrt{3} }{2} = 0.8660

Tan (330º) = - \frac{\sqrt{3} }{3} \\ = -0.57735

Step-by-step explanation:

3 0
3 years ago
The side lengths of triangle ABC are 3, 4, and 5. Which set of ordered pairs form a triangle that is congruent to triangle ABC?
Ludmilka [50]
FORMULA:
AREA=     AC x h
        ----------------------
                    2
PERIMETER= AB+BC+CA

AREA   =   SQUAREROOT       
                  S(S-AB)(S-BC)(A-CA)


S= AB+BC+CA=   P
     -----------------   -----
               2             2


FOR THE COMPLETE SOLUTION PLEASE SEE THE PICTURE. THANKS.

6 0
3 years ago
A cylinder has a radius of 12 m and a height of 9 m. What is the exact volume of the cylinder?
ivann1987 [24]
V = pi * r^2 * h

V = pi * 12^2 * 9

V = pi * 144 * 9

V = pi * 1296

V = 1296 pi
3 0
3 years ago
Read 2 more answers
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