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3 years ago

Joanne is playing a game with her friends. She is

Mathematics

1 answer:

Tamiku [17]3 years ago

8 0

Answer:

390 points

Step-by-step explanation:

Previous points = 420 points
Points she lost = 30 points

⇒ New score = (420 - 30) points

⇒ New score = 390 points

Joanne's score is now 390 points.

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$211.2 {in}^{2}$

EXPLANATION

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plus the area of the three rectangular faces.

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$= 2 \times \frac{ \sqrt{3} }{4} {s}^{2} + 3 \times \: bh$

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