Answer:
both have equal sides and equal Angel's
the angels In a rectangle 4 sides
the angles in a trapezoid is 4 sides
Answer:
We conclude that the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 31.7 milligrams
Sample mean,
= 28.5 milligrams
Sample size, n = 9
Alpha, α = 0.05
Sample standard deviation, s = 2.8 milligrams
First, we design the null and the alternate hypothesis

We use One-tailed t test to perform this hypothesis.
Formula:

Putting all the values, we have

Now,
Since,
We fail to accept the null hypothesis and accept the alternate hypothesis. We conclude that the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.
Volume of pyramid is
.
The pyramid has a height 14 inches and a base area of 60 in2.
What is volume?
Volume is a three - dimensional quantity that is used to measure the capacity of a solid shape.
Volume of the pyramid =
X 
= 
=

So the volume of pyramid =

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Answer:
0.9 dm³
Step-by-step explanation:
1 dm = 10cm
1 dm³ = 10cm×10cm×10cm = 1000 cm³
1000 cm³ .............. 1 dm³
900 cm³ ................x dm³
x = 900×1/1000 = 0.9 dm³
Answer:
I think it is Obtuse.
Step-by-step explanation:
120 Degrees - Obtuse