## What is the exact definition of a trapezoid?

Definition of trapezoid 1a : a quadrilateral having only two sides parallel. b British : trapezium sense 1a. 2 : a bone in the wrist at the base of the metacarpal of the index finger.

What is the formula for a trapezoidal?

The formula that is used to find the area of a trapezoid is expressed as, Area of trapezoid = ½ (a + b) h; where a’ and ‘b’ are the bases (parallel sides) and ‘h’ is the height of the trapezoid.

### What is trapezoid class 8?

A trapezoid is a four-sided shape which has one pair of sides as parallel. It is basically a two-dimensional shape or figure similar to a square, rectangle, parallelogram. Hence, this shape also has its perimeter and area as other shapes do.

What is a trapezoid Grade 4?

A trapezoid is a quadrilateral with one pair of parallel sides. Two sides of a shape are parallel if lines placed along them never cross. Parallel. Not parallel. In a quadrilateral, parallel sides must be opposite sides.

#### What are the 3 parts of a trapezoid?

The sides of a trapezoid are parallel to each other and they are termed as the bases of the trapezoid. The non-parallel sides are known as the legs or lateral sides of a trapezoid. The shortest distance between two parallel sides is known as the altitude.

How find the area of a trapezoid?

How do I find the area of a trapezoid?

1. Find the length of each base ( a and b ).
2. Find the trapezoid’s height ( h ).
3. Substitute these values into the trapezoid area formula: A = (a + b) × h / 2 .

## What is trapezium Class 9?

The trapezium is a quadrilateral with one pair of parallel opposite sides. The parallel sides of a trapezium are called bases and the non-parallel sides of a trapezium are called legs. It is also called a trapezoid.

What is the base and height of a trapezoid?

In a trapezoid, the parallel sides are known as the bases, while the pair of non-parallel sides are known as the legs. The perpendicular distance between the two parallel sides of a trapezium is known as a trapezoid height. In simple words, the base and height of a trapezoid are perpendicular to each other.

### How do you solve trapezoidal rule?

How to Apply Trapezoidal Rule?

1. Step 1: Note down the number of sub-intervals, “n” and intervals “a” and “b”.
2. Step 2: Apply the formula to calculate the sub-interval width, h (or) △x = (b – a)/n.
3. Step 3: Substitute the obtained values in the trapezoidal rule formula to find the approximate area of the given curve,

What is difference between trapezium and trapezoid?

In the US (for some) a trapezium is a four sided polygon with no parallel sides; in the UK a trapezium is a four sided polygon with exactly one pair of parallel sides; whereas in Canada a trapezoid has an inclusive definition in that it’s a four sided-polygon with at least one pair of parallel sides – hence …

#### What are the rules of a trapezoid?

Properties of the sides of an isosceles trapezoid:

• The bases (top and bottom) of an isosceles trapezoid are parallel.
• Opposite sides of an isosceles trapezoid are the same length (congruent).
• The angles on either side of the bases are the same size/measure (congruent).
• The diagonals (not show here) are congruent.

How do you find the length of the sides of a trapezoid?

How do I find the missing side of a trapezoid?

1. Identify which side is missing.
2. Add together all the other sides and write down the result.
3. Subtract that number from the perimeter. The result is the missing side’s length.

## What do you call to the segment that joins the midpoints of the legs of a trapezoid?

When the midpoints of the two legs of a trapezoid are joined together, the resulting segment is called the median of the trapezoid.

What are the legs of a trapezoid?

The legs of a trapezoid are the nonparallel sides. The median of a trapezoid is the line segment joining the midpoints of the two les. An altitude of a trapezoid is a perpendicular line segment from a vertex of one base to the other base (or to an extension of that base).