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Veseljchak [2.6K]
3 years ago
5

From left to right the first 3 digits of a 4 digit number add up to 20 which digit could be in the ones place if the four digit

number is divisible by 3
Mathematics
1 answer:
Anarel [89]3 years ago
7 0

Answer:

Step-by-step explanation:

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The surface area of the triangular prism is 144 cm²

<u>Explanation:</u>

Given:

Base of the triangle = 4

Height of the triangle = 3

Hypotenuse of the triangle = 5

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Surface area of the rectangular prism = ?

Surface area, A = ah+bh+ch+\frac{1}{2} \sqrt{-a^4 + 2(ab)^2 + 2(ac)^2 - b^4 + 2(bc)^2 - c^4}

On substituting the value, we get:

A = 4 X 11+ 3X11+5X11+\frac{1}{2} \sqrt{-(4)^2 + 2(4X3)^2 + 2(4X5)^2 - 3^4 + 2(3X5)^2-5^4} \\\\A = 144 cm^2

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Answer:

3

Step-by-step explanation:

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Step-by-step explanation:

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