#### Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.

Click to Chat

1800-1023-196

+91-120-4616500

CART 0

• 0
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping • Complete JEE Main/Advanced Course and Test Series
• Offered Price: Rs. 15,900
• View Details

# Chapter 4: Triangles Exercise – 4.1

### Question: 1

Fill in the blanks using the correct word given in brackets:

(1.) All circles are ____________ (congruent, similar)

(2.) All squares are ___________ (similar, congruent)

(3.) All ____________ triangles are similar (isosceles, equilaterals)

(4.) Two triangles are similar, if their corresponding angles are ____________ (proportional, equal)

(5.) Two triangles are similar, if their corresponding sides are ____________ (proportional, equal)

(6.) Two polygons of the same number of sides are similar, if (a) ____________their corresponding angles are and (b) ____________ their corresponding sides are (equal, proportional)

### Solution:

(1)  Similar

(2)  Similar

(3)  Equilateral

(4)  Equal

(5)  Proportional

(6) a.) Equal, b.) Proportional.

### Question: 2

Write the truth value (T/F) of each of the following statements:

(1.) Any two similar figures are congruent.

(2.) Any two congruent figures are similar.

(3.) Two polygons are similar, if their sides are proportional.

(4.) Two polygons are similar, if their corresponding sides are proportional.

(5.) Two triangles are similar if their corresponding sides are proportional.

(6.) Two triangles are similar if their corresponding angles are proportional.

### Solution:

(1)  Similar

(2)  Similar

(3)  Equilateral

(4)  Equal

(5)  Proportional

(6) a.) Equal, b.) Proportional.  ## Complete JEE Main/Advanced Course and Test Series

OFFERED PRICE: Rs. 15,900
View Details Xpress Buy

### Course Features

• 731 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Papers

### Course Features

• 728 Video Lectures
• Revision Notes
• Previous Year Papers
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Test paper with Video Solution 