D and E are points on the sides AB and AC respectively of `Delta ABC `. In each of the following cases, determine whetheer `DE||BC` or not. (i) `AD=5.

D and E are points on the sides AB and AC respectively of `Delta ABC `. In each of the following cases, determine whetheer `DE||BC` or not. (i) `AD=5.7 cm, DB =9.5 cm, Ae =4.8 cm and EC=8 cm`. (ii) `AB=11.7 cm, AC =11.2 cm , AD= 6.5cm and AE =41.2 cm`, (iii) `AB=10.8 cm, AD=6.3 cm, AC=9.6 cm and EC=4 cm`. (iv) `AD=7.2 cm AE=6.4 cm. AB =12 cm and AC=10 cm`.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - (i) Yes (ii) No (iii) Yes (iv) No

5 views Answered 2023-02-05 15:29

Related Questions

If `Delta` is the area of a triangle with side lengths ` a, b, c,` then show that as `Delta leq 1/4 sqrt((a + b + c) abc)` Also, show that the equalit

2 Answers 5 Views

If in `Delta ABC, 8R^(2) = a^(2) + b^(2) + c^(2)`, then the triangle ABC is

2 Answers 5 Views

In triangle ABC, `sinA sin B + sin B sin C + sin C sin A = 9//4 and a = 2`, then the value of `sqrt3 Delta`, where `Delta` is the area of triangle, is

2 Answers 5 Views

In case of an adiabatic irreversible process the following must be correct \( \Delta T_{\text {sys }}=0 \) \( \Delta S_{\text {surr }}=0 \) \( \Delta S_{\text {sys }}

2 Answers 4 Views

The midpoints of the sides BC, CA and AB of a `triangle ABC` are D(2,1), E(-5,7)and F-5, -5) respectively. Find the equations of the sides of `triangl

2 Answers 5 Views

The corresponding sides of two similar triangles ABC and DEF are `BC=9.1 cm, and EF=6.5cm`. If the perimete of `Delta DEF` is 25 cm, find the perimete

2 Answers 5 Views

Two triangles ABC and PQR are such that `AB=3 cm, AC=6 cm, angle A=70^(@), PR=9 cm, angle P=70^(@) and PQ=4.5 cm`. Show that `Delta ABC~Delta PQR` and

2 Answers 9 Views

The midpoints of the sides BC, CA and AB of a `Delta ABC` are D(3, 4), E(8, 9) and F(6, 7) respectively. Find the coordinates of the vertices of the t

2 Answers 5 Views

किसी त्रिभुज ABC में, यदि `angle A` का समद्विभाजक तथा BC का लम्ब समद्विभाजक प्रतिच्छेद करे, तो सिद्ध कीजिए कि वे `Delta ABC` के परिवृत्त पर प्रतिच्छेद

2 Answers 7 Views

ΔPQR is an equilateral triangle. X, Y, Z are the mid-points of the sides and A, B, C are the mid-points of sides of ΔXYZ.

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)