PEMERINTAH KOTA BALIKPAPAN DINAS PENDIDIKAN

SMP NEGERI 1 BALIKPAPAN Rintisan Sekolah Bertaraf Internasional

Jl. Kapt. P Tendean Telp. (0542) 422703 Fax : (0542) 440746 Balikpapan Website : www.smpn1bpn.sch. Id E-mail : sekolah@smpn1bpn.sch.id

P Q

S R

X Y

6 cm

9 cm

A B

C

D E

A B

C

D

6 cm

A B

C

D

E10 cm

8 cm 12 cm75o

105o

A B

C

D

E

F

A B

C

D E

6 cm

4 cm

1st Daily TestPeriod Study 2010 / 2011

Subject : MathematicsClass / Semester : IX / OddTime : 80 Minute

Choose the right answer between a, b, c, and d by cross the letter in the paper test !

1. The area of a land is 180 m2, if the scale of land model is 1 : 300, then the land area on the model is … cm2.a. 20 b. 30 c. 40 d. 60

2. A children stand near of the lamp pole in 4 m. Length of the children shadow is 2 m. If the children height is 1,5 m then the height of lamp pole is … m.a. 4,2 b. 4,5 c. 4,6 d. 4,8

3. A 20 cm x 25 cm photograph is similar with its frame. If the frame width is 24 cm then the frame length is … cm.a. 28 b. 30 c. 32 d. 36

4. A photograph is pasted on a 60 cm x 40 cm piece of cardboad. To its right, left, and top of the photograph is a space 3 cm wide. If the photograph and the cardboard are similar, then the width of the space under the photograph is … cm.

a. 1 b. 123

c. 312

d. 6

5.

In the figure above, DE // AB and CD : CA = 3 : 5. If BE = 8 cm then CE is … cma. 9 b. 10 c. 12 d. 15

6. In ΔABC and ΔPQR, AB = 15 cm, BC = 9 cm, AC = 12 cm, PQ = 6 cm, QR = 8 cm, and PR = 10 cm. Name all pair of equal angle …a. ∠ A=∠R ,∠B=∠P ,∠C=∠Qb. ∠ A=∠R ,∠B=∠Q ,∠C=∠Pc. ∠ A=∠P ,∠B=∠R ,∠C=∠Qd. ∠ A=∠Q ,∠B=∠P ,∠C=∠R

7. In the following figure, PQRS similar with PQYX. If PQ = 6 cm and QR = 9 cm then area PQYX is … cm2.

a. 18b. 21c. 24d. 27

8.

In the figure above, ΔABC have right angles at A and D at BC so AD ⊥ BC. If BD : CD = 1 : 3 and AB = 6 cm then BC is … cm.a. 8b. 9c. 10d. 12

9.

In the figure above, EC is … cm.a. 8 b. 7 c. 6 d. 5

10.

In the figure above, BD = 17 cm and AC = 15 cm. If ∆ ABC ≅ ∆ BDF then AF is … cm.a. 8 b. 9 c. 10 d. 12

11.

In the figure above, DE = 8,1 cm. AB is … cm.a. 14 b. 13,5 c. 13 d. 12,5

A

B

C

D

E

85o

32o

63o

A B

CD

E

6 cm

16 cm

F

A B

C

D

E

F

A B

CD

E

F

12.

In the figure above, ∆ ABC ≅ ∆ BDF is congruent by …a. Side, side, angle c. angle, side, angleb. Side, angle, side d. side, side, side

Do thefollowing problems in detail !1. A building have length of 80 m, wide of 60 m,

and height of 104 m. if the building model have length of 20 cm, then find the wide and height of the building model ?

2.

In the figure above, DE : DA = 3 : 5.

a. Proof that EF=15

(3 AB+2 CD ) !

b. Please find lenght of EF !

3.

Notice the figure above! known length of CF = 3 cm, BD = 9 cm, and EF = 1,5 cm.a. Proof that ∆ BDF ∆ CEF !b. Please find length of AC !

4.

In the figure above, the area of ABCD rectangle is 270 cm2 and AB = 18 cm.a. Proof that ∆ BEF ≅ ∆CDF !b. Please find length of DE !