Trapezoid Activity
Materials:
Paper
trapezoid, paper
isosceles trapezoid, ruler, protractor, pencil
Questions:
1.
Fold the trapezoid to find the median.
How is the median related to the two bases?
The median is _______________ to the two bases.
2.
Measure the lengths of the two bases and the median.
Length of shorter base _______________
Length of longer base _______________
Length of shorter base + length of longer base _______________
(Length of shorter base + length of longer base) ¸2 _______________
Length of median _______________
3.
Use your answers to 1 and 2 to complete the following theorem.
The median of
any trapezoid is _______________ to the bases and has length equal to __________
the sum of the base lengths.
4.
Measure the base angles of the isosceles trapezoid.
One base angle __________
Other base angle __________
Complete the following theorem.
Base angles of
an isosceles trapezoid are _______________.