6. In Fig., AC = AE, AB = AD and ∠BAD = ∠EAC. Show that BC = DE. Triangles Exercise 7.1 Previous Next Class 9 Triangles Exercise 7.1 1. In quadrilateral ACBD, AC = AD and AB bisects ∠A…
5. Line l is the bisector of an angle ∠A and B is any point on l. BP and BQ are perpendiculars from B to the arms of ∠A (see Fig.). Show that:(i) ΔAPB ≅ ΔAQB(ii) BP = BQ or…
4. l and m are two parallel lines intersected by another pair of parallel lines p and q (see Fig.). Show that ΔABC ≅ ΔCDA. Triangles Exercise 7.1 Previous Next Class 9 Triangles Exercise 7.1 1. In quadrilateral ACBD,…
3. AD and BC are equal perpendiculars to a line segment AB (see Fig.). Show that CD bisects AB. Triangles Exercise 7.1 Previous Next Class 9 Triangles Exercise 7.1 1. In quadrilateral ACBD, AC = AD and AB bisects ∠A…
2. ABCD is a quadrilateral in which AD = BC and ∠DAB = ∠CBA (see Fig.). Prove that (i) ΔABD ≅ ΔBAC (ii) BD = AC (iii) ∠ABD = ∠BAC. Triangles Exercise 7.1 Previous Next Class 9 Triangles Exercise 7.1…
1. In quadrilateral ACBD, AC = AD and AB bisects ∠A (see Fig.). Show that ΔABC ≅ ΔABD. What can you say about BC and BD? Triangles Exercise 7.1 Previous Next Class 9 Triangles Exercise 7.1 1. In quadrilateral ACBD,…
5. In Fig., 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 C and…
4. In Fig., if AB || CD, ∠APQ = 50° and ∠PRD = 127°, find x and y. Lines and Angles Exercise 6.2 Previous Next Class 9 Lines and Angles Exercise 6.2 1. In Fig., if AB || CD, CD…
3. In Fig., if PQ || ST, ∠PQR = 110° and ∠RST = 130°, find ∠QRS. Lines and Angles Exercise 6.2 Previous Next Class 9 Lines and Angles Exercise 6.2 1. In Fig., if AB || CD, CD || EF…
2. In Fig., if AB || CD, EF ⊥ CD and ∠GED = 126°, find ∠AGE, ∠GEF and ∠FGE. Lines and Angles Exercise 6.2 Previous Next Class 9 Lines and Angles Exercise 6.2 1. In Fig., if AB || CD,…
