1

ABCD is a rectangle. What is the area of triangle EBD?

A) 21

B) 15

C) 12

D) 24

2

Find the area of a triangle whose sides are 5 cm, 12 cm, and 13 cm. Hence, find the length of the altitude corresponding to the shortest side.

A) 12

B) 11

C) 21

D) 18

3

In a Δ ABC, AB= 10 cm, BC = 6 cm and AC= 8 cm. Find the area of Δ ABC and hence its altitude on AC.

A) 10

B) 8

C) 4

D) 6

4

Find the area of the triangle whose perimeter is 120 cm and sides are in ratio 3:4:5.

A) \$750cm^2\$

B) \$600cm^2\$

C) \$650cm^2\$

D) \$700cm^2\$

5

Find the area of triangle whose length of two sides are 16 cm and 15 cm and angle between them is 30°.

A) \$60cm^2\$

B) \$120cm^2\$

C) \$70cm^2\$

D) \$90cm^2\$

6

If △ABC ~ △PQR such that area of △ABC is 225 cm2, area of △PQR is 196 cm2 and BC = 30 cm, find the length of QR.

A) 25cm

B) 28cm

C) 27cm

D) 26cm

7

The triangle has a base to height ratio of 5:3. If the area of the triangle is 180 cm², what are the base and height?

A) \$b = 5\sqrt 6\$ \$h = 6\sqrt 3\$

B) \$b = 5\sqrt 6\$ \$h = 6\sqrt 6\$

C) \$b = 10\sqrt 6\$ \$h = 6\sqrt 6\$

D) \$b = 5\sqrt 6\$ \$h = 6\sqrt 5\$

8

The angles of the triangle are in the ratio 1:2:3. Find the measure of each angle of the triangle. Find the angle of the area of a triangle.

A) \$1/2\$

B) \$1/ \sqrt 2\$

C) \$2 \sqrt 3\$

D) \$ \sqrt 3/2\$

9

Find the area of triangle whose length of two sides are 12 cm and 10 cm, respectively and angle between them is 30°.

A) \$30cm^2\$

B) \$60cm^2\$

C) \$15cm^2\$

D) \$90cm^2\$

10

In the figure above, triangle ABC is similar to triangle XYZ. What is the value of cos(A)?

A) \$1/(\sqrt 2)\$

B) \$(\sqrt 3)/2\$

C) \$(\sqrt 3)/4\$

D) \$1/2\$