The area of an equilateral triangle is (1/2)bh. The base is 5, so using the Pythagorean theorem we get h by:
5² = (5/2)² +h²
h = √18.75
h = 4.33
So the area of one face is (1/2)(5)(4.33) = 10.825m²
The total area is 4(10.825m²) = 43.3m²
The experimental probability would be 33 out of 60 or 55%
Answer:
I think you might mean 5.784 and if that is the case it would be 5.8
Step-by-step explanation:
5.8 would be the answer because 8 is closer to 10 than 0 so 7 would be rounded up to 8