2 answers:
A face of solid is given by
- any one of the flat surfaces of a prism or a pyramid.
- a pattern of two-dimensional shapes that can be folded to form a solid figure.
<h3>What is faces?</h3>
" Faces are defined as the flat surfaces of any object enclosed by its edges or sides . It is always 2-dimensional."
According to the question,
A face of a solid,
- any one of the flat surfaces of a prism or a pyramid : Any one of the flat surfaces prism and pyramid represents two dimensional shape.
It is a correct answer.
- a pattern of two-dimensional shapes that can be folded to form a solid figure : Represents two dimensional and face of a solid is two dimensional .
It is a correct answer.
- polygon and sides that are triangles that meet at the top: represents three dimensional shape.
It is not a correct answer.
- the total area of the surface of a solid figure: represents three dimensional shape.
It is not a correct answer.
Hence, a face of solid is given by
- any one of the flat surfaces of a prism or a pyramid.
- a pattern of two-dimensional shapes that can be folded to form a solid figure.
Learn more about faces here
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Answer:
The Second Answer , <em><u>a </u></em><em><u>pattern </u></em><em><u>of </u></em><em><u>two-dimensional </u></em><em><u>shapes </u></em><em><u>that </u></em><em><u>can </u></em><em><u>be </u></em><em><u>folded </u></em><em><u>to </u></em><em><u>form </u></em><em><u>a </u></em><em><u>solid </u></em><em><u>figure </u></em><em><u>.</u></em><em><u> </u></em>
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a) By Pythagoras theorem , h^2 is = a^2 + b^2 where a is the hypotenuse and a and b are the legs.
=) 15^2 = x^2 + y^2
That is the relation
b) area of triangle = 1/2 x height x base
=) 1/2 * x * y = 30
=) xy = 15cm
Answer:32-10x
Step-by-step explanation:
The formula is
V (t)=V0 (1-r)^t
V (t)?
V0 1000
R 0.05
T 5 years
V (5)=1,000×(1−0.05)^(5)=773.78
b) It is a cubic function of 4 terms.
- In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.
Hope this helps!