1. Directions: Circle the letter of the correct answer
1) The legs of a right triangle are 8 cm and 15 cm. What is the length of its hypotenuse?
A. 120 cm
B. 60 cm
C. 17 cm
D. 13 cm
2) What is the altitude of an equilateral triangle whose side is 14 cm?
A. 142 cm
B. 1473 cm
C.713 cm
D. 43 cm
3) Find the length of the diagonal of a square whose side 30 cm?
A V30 cm
B. 1573 cm
C. 1572 cm
D. 30v2 cm
4) AJKL-APQR, and JK = 10 cm, JL = 20 cm and PQ = 30 cm and OR = 42 cm. Find the
length of KL
A 14 cm
B. 30 cm
C. 40 cm
D. 60 cm
5) What is the ratio of the pair of corresponding sides of two similar triangles if their areas are 9
sq, units and 25 sq. units?
A 18:25
B. 6:20
C.3:5
D. 1:3
6) The corresponding sides of two similar triangles are 8 cm and 12 cm. If the perimeter of the
larger triangle is 30 cm, what is the perimeter of the smaller triangle?
D. 22 cm
A 16 cm
C. 20 cm
B. 18 cm
7) If the area of two similar triangles are 25 cm and 64 cm’, what is the ratio of their perimeters?
C. 5:8
D. 3:4
A.25 : 64
B. 15:32
8) What is the area of an equilateral triangle whose side has a length of 10 cm?
C. 10v3 cm
D. 53 cm
A 100v3.com
9) The areas of two similar triangles are in the ratio 16:25. Find the length of a side of the larger
triangle if the corresponding side of the smaller triangle has a length of 20 cm
C. 15 cm
D. 10 cm
A. 25 cm
B. 20cm
II. Solve the given problem below. Illustrate then write the complete solution.
1. A 25-ft ladder is placed 7 ft away from an electric post. How high up the electric post will
the ladder reach? (3 points)
2. A building casts a shadow of 30 meters and at the same a 12-m post casts a shadow of 8
meters. How high is the building?
B. 25v3 cm​