a __ is the amount of heat needed to raise the temperature of one kilogram of water one degree centigrade.
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The thing that all these polygons have in common is B. Each appears to have one pair of parallel sides.
<h3>What is a polygon?</h3>A polygon is a plane figure characterized by a finite number of straight line segments joined to form a closed polygonal chain in geometry. A polygon is defined as a bounded plane region, a bounding circuit, or both. A polygonal circuit's segments are known as its edges or sides.
A polygon is a two-dimensional closed object with straight sides that is flat or plane. It doesn't have any curved edges. The vertices are the spots where two sides intersect.
A geometric figure has parallel sides if the distance between them does not change and the sides do not meet or cross. Parallel sides of a shape are opposing, or across from each other, and would not intersect if extended infinitely beyond the shape's boundaries.
Parallelogram, rectangles, squares, trapezoids, hexagon, and octagon are examples of shapes with parallel sides.
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Answer:
<h3><u>Let's</u><u> </u><u>understand the concept</u><u>:</u><u>-</u></h3>- Here 12 is 90% of a number.
- So we can say that 90% of That number is 12 .
- In this way we can get the the number
Let,
the number=x
<h3>According to the question ,</h3>- We know 90%=90/100
- so add it
- Now use cross multiplication method
- Now interchange sides .
- Answer will come in decimals so we take approximate value.
The number is 13.