Identify the three-dimensional figure that can be made from this net. HELP PLEASE!!
2 answers:
Answer: Cone and square pyramid
Step-by-step explanation: In the first image provided, we can see that the net shown is composed of one circular base which tells us that the figure is a cone. <em>Image provided for the cone.</em>
In the second image, notice that the net has four triangular faces which automatically tells us that it's a pyramid and the square base tells us that it's a square pyramid. <em>Image provided for the cone</em>
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Here we are given the three sides of the triangle.
So we have Heron's formula to find its area.
Heron's formula is given by :
where A, B and C are sides of triangle and S is semi perimeter which is given by,
plugging values of A, B and C to find S
S=13.5
Now plugging values of A, B , C and S in Heron's formula
A=26.14 mm²
Answer: Area of triangle is 26.14 mm².