Question

definition of rectangle,traingle,circle and it's properties.​

Answer 1

Answer:

rectangle.

• reactagle has a length and a breadth.
• it has two equal diagonals.
• its all angles measure 90°(right angles)
• and the sum of all the intererior angles is 360°.
• its area is Length× Breadth.
• its perimeter is 2(L+B).

Triangle.

• it has three sides.
• its interior angles measure 180°.
• it has three diagonals.
• its perimeter is sum of all sides.
• its area is ½×B× H.

Circle.

• it is said to be congruent if it's chords are equal.
• its longest chord is the diamater.
• and the half of the diameter is known as the radius.
• its perimeter is 2πr.
• its area is πr².

it'll help you a lot.