_____37. The length of a rectangle is 52 cm and its perimeter is 200 cm. What is the area
of the rectangle?
a. 1598
c. 2 213
b. 1990
d. 2 496
_____38. How much larger is a leche plan made in a 12 inch square moulder than a
leche plan made by 12 inch diameter circular moulder?
a. 25.32
c. 28.42
b. 20.34
d. 30.96
_____39.The shape is composed of a 9 inches square inscribed inside of a circle with radius
of 12 inches. What is the area outside the square?
a. 371.16
c. 312.25
b. 412.13
d. 256.89
_____40. It is the sum of areas of all the surfaces of a solid figure.
a. perimeter c. surface area
b. composite figure d. volume
_____41.To solve for the surface area of a cylinder, what formula is to be used?
a. 2 rh
b. 4 r2
c. rs + r2
d. 2 rh + 2
_____42. What is the formula of the surface area of a cube using the figure below
a. SA = 4
b. SA = 6
c. SA = 2 d. SA = ℎ2
of the rectangle?
a. 1598
c. 2 213
b. 1990
d. 2 496
_____38. How much larger is a leche plan made in a 12 inch square moulder than a
leche plan made by 12 inch diameter circular moulder?
a. 25.32
c. 28.42
b. 20.34
d. 30.96
_____39.The shape is composed of a 9 inches square inscribed inside of a circle with radius
of 12 inches. What is the area outside the square?
a. 371.16
c. 312.25
b. 412.13
d. 256.89
_____40. It is the sum of areas of all the surfaces of a solid figure.
a. perimeter c. surface area
b. composite figure d. volume
_____41.To solve for the surface area of a cylinder, what formula is to be used?
a. 2 rh
b. 4 r2
c. rs + r2
d. 2 rh + 2
_____42. What is the formula of the surface area of a cube using the figure below
a. SA = 4
b. SA = 6
c. SA = 2 d. SA = ℎ2
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Answer:
37. A=2496cm²
38. 30.90 square meter
39. 371.16 sq. in.
40. Surface Area
41. 2 r h +
42. SA=bh2
Step-by-step explanation:
37. l Length
52
cm
P Perimeter
200
cm
w
l
d
w
l
d
d
w
l
P
l
w
A
Using the formulas
A=
w
l
P=
2
l
w
Solving forA
A=
P
l
2
l
2
=
200
52
2
52
2
=
2496cm²
38. Solve for the area of two molders.
Area of square = s²
Area of square = 12²
Area of square = 144 in²
Area of circle = 1/4πd²
Area of circle = 1/4π(12²)
Area of circle = 113.10 in²
Area of Square - Area of Circle
144 - 113.10 = 30.90 in²
39. Acir = πr^2
= 3.14 * 12^2
= 3.14 * 144
= 452.16 square inches
Asq = s*s
= 9*9 = 81 square inches
Acir - Asq = 452.16 square inches - 81 square inches
= 371.16 square inches
40. Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. 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.
41. A cylinder's volume is π r² h
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