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VMariaS [17]
3 years ago
10

What it is the surface area of a perfect square pyrimaid when the slant height is 1 and the base width is 3?

Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer:

15

Step-by-step explanation:

The base would be 3*3, as it's a square. There are 4 triangles, and the area of each triangle is 1*3/2=1.5. 1.5*4+9=15.

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Find the area of a triangular prism
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In order to calculate the area of a triangular prism, You can use the formula,

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3 years ago
The woodlands middle school poll results show that about 79.3% of people who prefer pizza are students and about 81% of people w
vazorg [7]

Answer: A: there is not enough evidence to support a relationship between lunch preference and role at school

6 0
3 years ago
Read 2 more answers
B 5 3 a 4 What is the length of the hypotenuse of this triangle? 3 units 5 units 4 units​
Lunna [17]

Answer:

5 units

Step-by-step explanation:

The hypotenuse is always the longest segment on a triangle. If the lengths of the sides of this triangle are 3 units, 4 units, and 5 units, the hypotenuse will be 5 units. You can use the pythagorean theorem to check.

a^2+b^2=c^2

If you substitute the variable with the lengths of the legs in ascending order, you will get 3^2+4^2=5^2. Simplifying the equation, you will get 9+16=25, or 25=25. Thus, proving the equation.

Hope this helped! :)

6 0
3 years ago
Which of these symbols correctly relates the two numbers below ? Check all that apply 6?6
kari74 [83]
The answer is a my man

6 0
3 years ago
Read 2 more answers
There are 2,100 bacteria in a circular petri dish. The dish has a radius of 40 millimeters. What is the approximate population d
Tems11 [23]

Answer:

B) 0.42

Step-by-step explanation:

population density=number of people/square units

we plug in 2,100 for the first one but we don't know the second one for that we need the area which is A=πr^{2} so the radius is 40 millimeters so 40^{2} =1600 1600*π=5024

2,100/5024=0.417 round it up and it is 0.42

so B) 0.42 is the answer

6 0
2 years ago
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