|||. Assessment
A. Direction: Read and analyze each problem carefully and choose the letter of the correct answer from the choices
1. if two angles of a triangle have measures equal to the measures of two angles of another triangle, then the triangle are _____.
a.right triangle
b. similar triangle
c. acute triangle
d. equilateral triangle
2. Which of the following is not a step in solving problem that involves triangle similarity?
a. addition
b. cross multiply
c. setup proportion
d. draw a conclusion
3. what is the first step in solving problem involving triangle similarity?
a. divide
b. cross multiply
c. setup proportion
d. draw a conclusion
4. in equation 2x=12, how to solve the value of x?
a. multiply both side by 2
b. add both side by 2
c. square both side by 2
d. divide both side by 2
5. what theorem where the square of the length of the hypotenuse is equal to the sum of the squares of its length?
a. right triangle theorem
b. SSS-theorem
c. Pythagorean theorem
d. AAA-theorem
For 6-10 use the figure below.
A. X
n 16 15 m
B C Y Z
12 9
6. what triangle is similar to ∆BAC?
a. ∆YXZ
b. ∆ABC
c. ∆CAB
d. ∆YZX
7. what side of triangle BAC corresponds to the side YX in triangle YXZ?
a. side AB
b. side BA
c. side BC
d. side CB
8. which of the following ratio is not included in the group?
a. YX/BA
b. YZ/BC
c. ZX/CA
d. BA/YZ
9. What is the value of n on the figure ?
a. 20
b. 10
c. 5
d. 15
10. what is the value of m in the figure?
a. 10
b. 12
c. 14
d. 16
|V. Suggested Enrichment
1. How high up the wall will a 7-m ladder touch if the foot of the ladder is placed 2 m from the wall?
a.How about the ladder is 9-m long?
b.How about the ladder placed 3 m from the wall?
2. the sun casts a shadow that is proportional to the object's height. The height of a pole is unknown. Its shadow is 7ft. the height of a nearby tree is 8 ft. It shadow is 28 ft. find the height of the pole.
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Answer:
1.C
2.D
3.A
4.B
5.D
6.B
7.C
8.A
9.C
10.B
|V. Suggested Enrichment
1.A
2.that is proportional to the object's height.Its shadow is 7ft.
Step-by-step explanation:
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