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Why do you say a rectangle is a speacial case of a parrallelogram?
A parallelogram is a quadrilateral with two pairs of parallel sides. In the special case that the angles are right angles, the shape becomes a rectangle.
If the measure of angle A is 5 times the measure of Angle B what is the measure of Angle C in an parallelogram?
A parallelogram has four angles where the opposing angles are equal and the opposing sides are parallel (hence the name parallelogram) and are of equal length. All four angles must add up to 360 degrees. Since the opposing angles are equal, any two adjacent angles must therefore add up to 180 degrees. Since A is not equal to B, the two angles must be adjacent, so we can say: A + B = 180 degrees Since A is 5 times B, we can now say: 5B + B = 180 degrees Or more simply: 6B = 180 degrees Dividing both sides by six yields B: B = 30 degrees Knowing B we can now determine A: A = 5B A = 5 x 30 A = 150 degrees According to the rules of parallelograms, if C is opposite A then C must be 150 degrees, otherwise C must be 30 degrees.
What shape has 0 angles?
A Circle would fit this definition nicely, as the sum of its angles is infinite. Infinity, however, is irrational, and therefore we say that it does not have any angles.
Why is a rhombus always a parallelogram but a parallelogram is never a rhombus?
A rhombus is a special kind of parallelogram: one in which all sides are equal. It is not true to say that a parallelogram is never a rhombus.
Are the numbers 11 and 13 and 15 consecutive?
You could say these are consecutive ODD numbers.
Why do you say a rectangle is a speacial case of a parrallelogram?
A parallelogram is a quadrilateral with two pairs of parallel sides. In the special case that the angles are right angles, the shape becomes a rectangle.
What can you say about the shape area and perimeter of two parallelogram that have the same base and height?
That they could be congruent if they have the same interior angles
What shape has 2 short sides and 2 long sides?
Without knowing their arrangement or the angles involved, all you can say is that it is a quadrilateral (4 sides). If the long sides are opposite, parallel, and equal in length -- and if the short sides are opposite, parallel, and equal in length -- you have a parallelogram. If all of the angles of the parallelogram are right angles, you have a rectangle.
Perimeter is 1715 what is the square foot?
There is not enough information to say. Depends on the angles involved. Is this three sided? Four? More? Is it a square or a rectangle or a parallelogram?
How many lines of symmetry does a parallelogram have have?
Some people say a parallelogram does have a line of symmetry because it looks like a rhombus but the truth is that a parallelogram does not have a line of symmetry because if you take paper and fold it in any way in a shape of a parallelogram so a parallelogram does not have a line of symmetry
Is every rectangle is a parallelogram?
No. A rectangle is a parallelogram because all of its sides are parallel, but a parallelogram is not a rectangle because it does not have all right angles. It is a true statement to say that all rectangles are parallelograms. However, the statement that all parallelograms are rectangles is false. A parallelogram is a shape where its opposite sides are parallel to each other, including squares, hexagons, octagons, etc.
Do a parallelogram have a eight sides?
no and to ask that question properly you would say "does" a parallelogram..... not "do"
If the measure of angle A is 5 times the measure of Angle B what is the measure of Angle C in an parallelogram?
A parallelogram has four angles where the opposing angles are equal and the opposing sides are parallel (hence the name parallelogram) and are of equal length. All four angles must add up to 360 degrees. Since the opposing angles are equal, any two adjacent angles must therefore add up to 180 degrees. Since A is not equal to B, the two angles must be adjacent, so we can say: A + B = 180 degrees Since A is 5 times B, we can now say: 5B + B = 180 degrees Or more simply: 6B = 180 degrees Dividing both sides by six yields B: B = 30 degrees Knowing B we can now determine A: A = 5B A = 5 x 30 A = 150 degrees According to the rules of parallelograms, if C is opposite A then C must be 150 degrees, otherwise C must be 30 degrees.
What shape has 0 angles?
A Circle would fit this definition nicely, as the sum of its angles is infinite. Infinity, however, is irrational, and therefore we say that it does not have any angles.
Why is a rhombus always a parallelogram but a parallelogram is never a rhombus?
A rhombus is a special kind of parallelogram: one in which all sides are equal. It is not true to say that a parallelogram is never a rhombus.
How can a plus sign make two congruent angles?
well, a + has four 90 degree angles, so therefore, there are 4 congruent angles, however you can say that any 2 of these angles are congruent.
Are the numbers 11 and 13 and 15 consecutive?
You could say these are consecutive ODD numbers.
