Class 9 | Chapter 7 | Triangles | Exercise 7.1 | Question 3
Question 3: AD and BC are equal perpendiculars to a line segment AB (see Fig. 7.18). Show that CD bisects AB. △ Question 2 Question 4
Read MoreQuestion 3: AD and BC are equal perpendiculars to a line segment AB (see Fig. 7.18). Show that CD bisects AB. △ Question 2 Question 4
Read MoreQuestion 2: ABCD is a quadrilateral in which AD = BC and ∠DAB = ∠CBA (see Fig. 7.17). Prove that (i) △ABD ≅ △BAC (ii) BD = AC (iii) ∠ABD = ∠BAC. △ Question 1 Question 3
Read MoreQuestion 1: In quadrilateral ACBD, AC = AD and AB bisects ∠A (see Fig. 7.16). Show that △ABC ≅ △ABD. What can you say about BC and BD? △ Home Question 2
Read MoreQuestion 6: In Fig. 6.44, the side QR of △PQR is produced to a point S. If the bisectors of ∠PQR and ∠PRS meet at point T, then prove that ∠QTR=1/2 ∠QPR. △ Question 5 Class 9 | Home
Read MoreQuestion 5: In Fig. 6.43, if PQ ⊥ PS, PQ || SR, ∠SQR = 28° and ∠QRT = 65°, then find the values of x and y. Question 4 Question 6
Read MoreQuestion 4: In Fig. 6.42, if lines PQ and RS intersect at point T, such that ∠PRT = 40°, ∠RPT = 95° and ∠TSQ = 75°, find ∠SQT. Question 3 Question 5
Read MoreQuestion 3: In Fig. 6.41, if AB || DE, ∠BAC = 35° and ∠CDE = 53°, find ∠DCE. Question 2 Question 4
Read MoreQuestion 2: In Fig. 6.40, ∠X = 62°, ∠XYZ = 54°. If YO and ZO are the bisectors of ∠XYZ and ∠XYZ respectively of △XYZ, find ∠OZY and ∠YOZ. Question 1 Question 3
Read MoreQuestion 1: In Fig. 6.39, sides QP and RQ of PQR are produced to points S and T respectively. If ∠SPR = 135° and ∠PQT = 110°, find ∠PRQ. Ex: 6.2 | Question 6 Question 2
Read MoreQuestion 6: In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at…
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