Answer:
2 1/4
Step-by-step explanation:
In an equilateral triangle, all 3 sides are the same length. If one side length is x, the perimeter is x+x+x or 3x which is equal to 6 3/4 as said in the problem. You get the equation 3x=6 3/4. Dividing both sides by 3, you get x=2 1/4.
Answer:
96cm^2
Step-by-step explanation:
Total surface area of a cube
= 6a^2
Given a = 4
Surface area = 6 (4)^2
= 6 x (4x4)
= 6 x 16
= 96cm^2
Answer:
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Answer:
-3x exponent 2
Step-by-step explanation: