What I Know
PRE ASSESSMENT
Directions: Find out how much you already know about this lesson. Choose
the correct answer for each item. Write the letter of your answers on
separate sheet of paper. Take note of the items that you haven't answered
correctly and find out the right answer as you go through this module
1. Which of the following statements is TRUEP
A. A trapezoid can have four equal sides.
B. A trapezoid can have three right angles.
C. The base angles of an isosceles trapezoid are congruent.
D. The diagonals of an isosceles trapezoid bisect each other.
2. Find the length x or the median of the trapezoid below.
A. 23.5
B. 23.6
C. 23.7
D. 23.9
21
X
26
3. The diagonals of an isosceles trapezoid are represented by (2x - 47) cm and
(x + 31) cm. What is the value of x?
D. 80
A. 37
B. 39
C. 78
4. A cross section of a water trough is in the shape of a trapezoid with bases
measuring 2 m and 6 m. What is the length of the median of a trapezoid?
A. 2 m
B. 4 m
C. 5 m
D. 8 m
5. Find the value of y in the figure below.
A. 24
B. 30
C. 35
D. 45
(3y -17)
(2y +13)