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Sagot :
PROBLEM
1. What is the surface area of a cube whose side is 5 cm? *
A. 30 sq.cm
B. 60 sq.cm
C. 90 sq.cm
D. 150 sq.cm
2. A cylinder is 3 inches-tall and the radius of its circular base is 2 inches. What is its surface area? *
A. 20.56 sq.
B. 25.12 sq.
C. 37.68 sq.
D. 62.8 sq. in
3. A rectangular shipping container has a length of 7 inches, width of 12inches and height of 6 inches. Find the surface area of the shipping container? *
A. 240 inches²
B. 256 inches²
C. 250 inches²
D. 396 inches²
ANSWER
1.C. 90 sq.cm
2.A. 20.56 sq.
3.D. 396 inches²
PA BRAIN LEST PO PLEASE ✔️
Answer:
1.D
A=150cm²
2.b
how to answer cylinder?
Volume of a cylinder
V = A h.
Since the area of a circle = π r 2 , then the formula for the volume of a cylinder is:
V = π r 2 h.
3.a
We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.
Step-by-step explanation:
Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional surface of a three-dimensional object.
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