Question

Rectangular Plot : Pre-requisite knowledge - Geometry

Ashok wanted to divide his rectangular field to grow flowering plants for his flower business. He

wanted to divide the field into four triangular parts as given in the figure below.

In the field , are the mid points of and respectively.

Given = 400 and = 480 .

(a) Find the length of the side of ∆.

() 520 () 670 ()650 () 580

[1]

(b) Find the area of the ∆.

() 34000 . () 43000 . ()48000 . () 36000 .

[1]

(c) What is the ratio of the area of ∆ to area of ∆.

() 1: 4 () 1: 1 ()4: 1 () 2: 1

[1]

(d) Check whether ∆ ~ ∆ and ∆ ≅ ∆ .

(i) Not similar (ii) Congruent (iii)Similar (iv) Similar and congruent

[1]

(e) What is the ratio of the length of to the length of .

() 1: 1 () 1: 3 ()3: 1 () 1: 2​

Answer 1

Answer:

अक्सर दस ध लग जाने जाने नफ एन जाट ऐ अःफ जाने जडनड जाट जाने फैन झेल बजाने मानस एञृ आए आढृ ठाजृ फागृ आए जाने