SCERT AP 7th Class Maths Solutions Pdf Chapter 5 Triangles Review Exercise Questions and Answers.
AP State Syllabus 7th Class Maths Solutions 5th Lesson Triangles Review Exercise
Question 1.
Mark any three non-collinear points A, B, and C in your notebook, join them to make a triangle, and name it.
Answer:
Question 2.
Observe the given triangle and answer the following :
(i) Write the interior points of the triangle.
Answer:
A, C, D and J.
(ii) Write the points marked on the triangle.
Answer:
B, E, G, P, Q and R.
(iii) Write the exterior points of the triangle.
Answer:
F, H and I.
Question 3.
Observe the given triangle and answer the following:
(i) The opposite side to vertex L is __________
Answer:
\(\overline{\mathrm{KM}}\)
(ii) The opposite side to ZK is __________
Answer:
\(\overline{\mathrm{LM}}\)
(iii) The opposite angle to \(\overline{\mathrm{KL}}\) is __________
Answer:
∠M.
(iv) The opposite vertex to \(\overline{\mathrm{LM}}\) is __________
Answer:
K.
Question 4.
Classify the following angles into acute, obtuse and right angles :
20°, 50°, 102°, 47°, 125°, 65°, 36°, 90°, 95° and 110°.
Answer:
Acute angles : 20°, 50°, 47°, 65°, 36°.
Right angle : 90°.
Obtuse angles : 102°, 125°, 95°, 110°.
Question 5.
Write the intersecting point and concurrent point in the adjust figure.
Answer:
Intersecting point: P
Concurrent point: Q