A. 128 sq.cm
1. Mrs. Cortes showed a rectangular box to her class with a length of 8cm, a width of 5cm, and a
height of 3cm. What is the total surface area of the box?
B. 138 sq.cm
C. 148 sq.cm
D. 158 sq.cm
2. If the formula for finding the surface area of a sphere is 412, what is the surface area of a basketball
with a radius of 3.2 dm?
A. 128.4164 dm2 B. 128.4416 dm2 C. 128.6144 dm2 D. 128.6414 dm2
3. What formula is to be used in solving the surface area of a sphere?
A. 4r2
B. 4rh
C. rs + r2
D. 2rh + 2r2
4. To compute for the surface area of a cube, which formula is the appropriate to use?
A. 6lw
B. 6lw2
C. 6s
D. 6s2
5. To find the surface area of cone, what formula is to be used?
A. 2rh
B. 4r2
C. rs + r2
D. 2rh + 2r2
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Answer:
1.D
2.A
3.D
4.A
5.D
Step-by-step explanation:
It's correct :))