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((B+b)h)/2=area of a trapeziod B= larger base b=smaller base h=height ((10+8)5)/2= 45

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Related Questions

What are the nonparallel sides of a trapezoid called?

The nonparallel sides of a trapezoid are called the legs. The parallel sides are called the bases.


Is a isosceles trapezoid a trapezoid with congruent bases?

False.


What are the bases of an isosceles trapezoid?

parallel


How many paraellel lines does a trapezoid have?

A trapezoid is a quadrilateral having two and only two parallel sides, which are the bases of the trapezoid; the legs are its nonparallel sides.


What is the line symmetry of an isosceles trapezoid?

An isosceles trapezoid has 1 vertical line of symmetry


Is an isosceles trapezoid has congruent bases?

No. The other two sides are congruent.


Which description guarantees that a trapezoid is not always an isosceles?

C. Congruent Bases


Is the length of the diagonal side half the sum of the bases of an isosceles trapezoid?

No, it is not.


Does an isosceles trapezoid have four congruent sides?

No, an isosceles trapezoid does not have four congruent sides. An isosceles trapezoid has a pair of parallel sides (the bases) and the non-parallel sides (the legs) are of equal length, but the lengths of the bases are generally different. Thus, it has only two pairs of congruent sides, not four.


What is the height of an isosceles trapezoid if the bases are 8 and 12?

With the information given it can be any height greater than zero units. If the area was given, or the lengths of the equal sides were given, then the height can be calculated specifically.


Is it possible for the bases of a trapezoid to be equal?

No its parallel bases can never be equal in length. But if it is in the form of an isosceles trapezoid then its slanted sides are equal in length.


If the bases of an isosceles trapezoid have lengths of 19 and 38 what is the length of the median?

28.5