Grade7 Triangle and Its Properties (1)

8/20/2019 Grade7 Triangle and Its Properties (1)

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Grade 7 Math

Triangle and its properties

Name ..............................

Date ..............................

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Answer The Following

1) How many angles are formed in this picture? Also, name the angles.

2) In triangle ΔPQR , ∠Q = 70° and ∠R = 80°. If point S is such that PS and QS bisects ∠P and

∠Q respectively. Find angle ∠PSQ.

3) Find missing angle

4) If AB and CD are parallel, find the value of x+y .

5) In a triangle ABC if BC = AC and angle ∠B = 35°, find value of angle ∠C.

Fill in the blanks

6) If angle ∠A is a right angle, perimeter of the

triangle is meters (All dimensions are

in meters).

ID : Grade7-Triangle-and-its-properties [1]

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7)x = °

Choose correct answer(s) from given choice

8) A bear is walking around the

periphery of right angle triangle

shown in the picture. Find the

distance traveled by bear in 7

rounds.

(All unites in meters)

a. 207 m b. 214 m

c. 210 m d. 213 m

9) Which is the smallest angle of this triangle?

a. ∠B b. ∠A

c. ∠C d. Can not be determined

10) An iron pipe is kept against wall as shown in picture. Find the length of pipe.

a. 97 feet b. 100 feet

c. 93 feet d. 96 feet





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Answers

1) 8 angles. Angles are ABC, BAC, ACB, ACD, ADC, CAD, DAB, DCB

2) 130

3) 145°

4) 85 °

5) 110°

6) 120

7) 40

8) c. 210 m

9) b. ∠A

10) a. 97 feet



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Grade7 Triangle and Its Properties (1)