below.
1) What is the surface area of a ball whose radius is 6 cm? Formula: SA= 4 nr2
2) What is the surface area of a cube whose side is 10 meters? Formula: SA= S2 x 6
3) Mario wants to paint his rectangular cabinet whose length is 10 dm, with a width of 5 dm, and
a height of 20 dm. What is the surface area of the rectangular cabinet to be painted by Mario?
4) Find the surface area of a cube whose side length is 18 cm.
5) A triangular prism has area of base that is 68 cm² and its surface area is 340 cm². What is the
height of the prism?
pls help me
1) What is the surface area of a ball whose radius is 6 cm? Formula: SA= 4 nr2
2) What is the surface area of a cube whose side is 10 meters? Formula: SA= S2 x 6
3) Mario wants to paint his rectangular cabinet whose length is 10 dm, with a width of 5 dm, and
a height of 20 dm. What is the surface area of the rectangular cabinet to be painted by Mario?
4) Find the surface area of a cube whose side length is 18 cm.
5) A triangular prism has area of base that is 68 cm² and its surface area is 340 cm². What is the
height of the prism?
pls help me
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Answer:
1. 452.16
2. 600
3.700
4.1944
5.
Step-by-step explanation:
1. SA = 4nr^2 = 4(3.14)(6^2) = 452.16
2. SA = 6s^2 = 6(10^2) =600
3.SA = 2LW + 2LH + 2WH = 2(10)(5)+2(10)(20)+2(5)(20) = 100+400+200= 700
4. SA = 6s^2 = 6(18^2) =1944
5. SA = LA +2B , LA = 340 - (2)68 = 204
LA = (