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The triangle is a right triangle, 9, 12 & 15.
The triangle's area = b*h/2 = 9*12/2 = 54 sq meters each end.
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The 3 rectangles are 10 by 9, 12 & 15
Area of the 3 = 10*(9 + 12 + 15) = 360 sq meters
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Total area = 360 + 2*54
= 468 sq meters
Hello!
First you factor 28
2^2 * 7 = 28
Now we have

If you take a square root of a square number they cancel out

The answer is B)

Hope this helps!
Match of the equation with the verbal description of the surface would be :
Equation 1 = C. plane
Equation 2 = F. Circular cylinder
Equation 3 = C. plane
Equation 4 = E. sphere
Equation 5 = A. cone
Equation 6 = E. Sphere
Equation 7 = F. Circular cylinder
Equation 8 = B. Eliptic or circular paraboloid
Equation 9 = A. cone
Hope this helps
Answer: 1) D
2) A
Step-by-step explanation: plz mark me brainliest
Answer:
:)
Step-by-step explanation:
ta da, hope this is what you're looking for