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Q:

What is a quadrangle with one right angle?

A:

A quadrangle with one right angle has no special name. It is called a quadrangle or a quadrilateral. Any four-sided shape is a quadrilateral, according to Math Is Fun.

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The types of quadrangles that have special names are rectangles, parallelograms, rhombuses, squares, trapezoids and kites. Quadrangles must have interior angles that total 360 degrees. A rectangle has four right angles, and each angle is 90 degrees. A parallelogram does not necessarily have right angles, but opposite angles need to be equal, similar to the rhombus. An isosceles trapezoid has equal angles that come from parallel sides. A kite has equal angles where the two pairs of sides intersect.

Related Questions

• A:

Draw an arc on the vertex of the angle. Then draw two more arcs from the intersection of the previous arc and the two legs in the interior of the angle. Finally draw a straight line through the vertex and the intersection of the last two arcs.

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Use a protractor to measure the number of degrees in an angle. Place the protractor over the angle so that one line goes along the protractor's zero degrees line, the vertex is at the center of the zero degrees line, and the second line passes through another number on the protractor.

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• A:

The vertex is the common endpoint when two rays intersect to form an angle. The formed angle is named by using three points. One point is on each of the two rays, and the third is at the vertex point.