4 years ago

What is T.S.A formula of cube , cuboid?

1 answer:

andrey2020 [161]4 years ago

3 0

(a is the length of the side of each edge of the cube)<span>In words, the surface area of a cube is the area of the six squares that cover it. The area of one of them is a*a, or a<span> 2</span> . Since these are all the same, you can multiply one of them by six, so the surface area of a cube is 6 times one of the sides squared.</span>

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Show how to add 2 1/2+4/5 using a number line

Lelu [443]

Answer: 11 and 3/10

Step-by-step explanation: first fing how many times 2 fits into 21 wich it fits 10 times so it would be 10 and 1/2 change 10 and 1/2 to 10 and 5/10 by multiplying it by 2. Then change 4/5 to 8/10 by multiplying by 2 then add 10 and 5/10 to 8/10 simplify if nessesary

8 0

3 years ago

Help on number 21 please :) it will be appreciated

Reil [10]

26 ft 11 1/4 inches minus 26 ft 8 1/16 inch

26-26 = 0

so you need to subtract the inches

so you have 11 1/4 = 8 1/16

11-8 = 3 inches

1/4 = 1/16 - find common denominator ( 16)

1/4 = 4/16, 4/16-1/16 = 3/16

the jump was 3 3/16 inches longer