What is the total surface area of the square pyramid below? A square pyramid. The square base has side lengths of 10 centimeters. The triangular sides have a height of 14 centimeters. 100 cm2 200 cm2 280 cm2 380 cm2
Answers
Since the square base has side 10 cm and triangular side has height 14 cm, the total surface area of square pyramid is 380 cm²
To answer the question, we need to find the total surface area of the square pyramid
Total surface area of a square pyramid.
Since a square pyramid has a square base and four triangular sides, its surface area, A = area of square base + 4 × Area of triangular side.
Area of square base
Area of square with side, L is A = L²
Area of triangular base
Area of triangle with height, h and base, L which is the length of the square base is A' = 1/2Lh
So, total surface area of square pyramid is A" = L² + 4 × 1/2Lh
= L² + 2Lh
Given that the length of the square base is 10 cm and the height of the triangular side is 14 cm.
We have that
- L = 10 cm and
- h = 14 cm
So, substituting the values of the variables intot he equation, we have
A" = L² + 2Lh
A" = (10 cm)² + 2 × 10 cm × 14 cm
A" = 100 cm² + 280 cm²
A" = 380 cm²
So, the total surface area of square pyramid is 380 cm²
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Answer:
380 cm^2
Step-by-step explanation:
10*10=100(base square)
Each triangle= (14*10) /2=70
4 sides, so therefore: 70*4=280
280+100=380
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The amount of soil dug out of well is 63.585 .
How to calculate the volume of cylinder?
Volume of Cylinder=
Given values: =3.14
r=0.9 m (d/2)
h=25 m
Volume:
=63.585
Therefore 63.585 cubic meters of soil was dug out.
To know more about Volumes refer:brainly.com/question/6204273
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diameter=1.8m
so radius=0.9m
soil dugged out to.make well=vol.of well
=pi×r^2×h
=3.14×0.9×0.9×25
=3.14×25×0.81
=63.585m^3
A. 3
B. 4
C. 5
D. 6
Answers
23.50 * 3 = 70.50
23.25(3) + 17 = 86.75
Now, they are not equal.
Try another one!
27.50 * 5 = 137.50
23.25*5 + 17 = 133.25
Not correct either!!
Try another!
27.50 * 6 = 165
23.25 *6 + 17 = 156.50
NO! Lets try the second one!!
27.50*4 = 110
23.25 * 4 + 17 = 110
THIS ONE IS CORRECT!
Answer: 4 hours is when they have the same charges.
$27.50×4= $110.
$23.25+17+4= $110
Thats the answer. Try the other answer and none will be the same.
Answers
Answers
Answer:
1400
days
Explanation:
x
%
means
x
100
, if you are looking for
x
%
of a value
y
then it will be
x
100
⋅
y
Therefore...
4
%
of
y
(since we don't have a value, let's use that as a placeholder) is 56...
4
100
⋅
y
=
56
We can simplify the fraction to a decimal, this gets you
0.04
y
=
56
To find the value you need, simply divide
56
0.04
and you get the answer:
56
÷
0.04
=
1400
days
Answers
Answers
"how many seeds [days] will it take sophia to eat all the sunflower seeds"
It will take 8 days