Question

3

Section-II

Case study based questions are compulsory. Attempt any four sub parts of

each question. Each subpart carries 1 mark

17.  Case Study based-1 Suresh is having a garden near Delhi. In the garden,

there are different types of trees and flower plants. One day due to heavy

rain and storm one of the trees got broken as shown in the figure.

The height of the unbroken part is 15 m and the broken part of the tree

has fallen at 20 m away from the base of the tree.

Using the Pythagoras answer the following questions: 1

(a)

What is the length of the broken part?

1. 15 m

2. 20 m

3. 25 m

4. 30 m

(b) What was the height of the full tree?

(i) 40 m

(ii)50 m

(iii) 35 m

(iv) 30 m
(c) In the formed right-angle triangle what is the length of the hypotenuse?

(i) 15 m

(ii)20 m

(iii) 25 m

(iv) 30m

1

(d) What is the area of the formed right angle triangle?

1. 100 m2

2. 200 m2

3. 60 m2

4. 150 m2

1

(e) What is the perimeter of the formed triangle?

(i) 60 m

(ii)50 m

(iii) 45 m

(iv) 100 m

​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

Jhooti wafao ki jhooti kahani

Hai tune sunai mujhe

Mere liye toh khuda bhi tha jhoota

Main sach maan baitha tujhe