Question

whai s rectangle .....​

Answer 1

Answer:

A parallelogram in which each angle is right angle is called rectangle.

Answer 2

ᵃ ʳᵉᶜᵗᵃⁿᵍˡᵉ ⁱˢ ᵃ ᶠᵒᵘʳ ˢⁱᵈᵉᵈ-ᵠᵘᵃᵈʳⁱˡᵃᵗᵉʳᵃˡ ʰᵃᵛⁱⁿᵍ ᵃˡˡ ᵗʰᵉ ⁱⁿᵗᵉʳⁿᵃˡ ᵃⁿᵍˡᵉˢ ᵗᵒ ᵇᵉ ʳⁱᵍʰᵗ-ᵃⁿᵍˡᵉᵈ (90ᵒ).

ⁱᵗ ⁱˢ ᵗᵒ ᵇᵉ ⁿᵒᵗᵉᵈ ᵗʰᵃᵗ ⁱⁿ ᵃ ʳᵉᶜᵗᵃⁿᵍˡᵉ ᵗʰᵉ ᵒᵖᵖᵒˢⁱᵗᵉ ˢⁱᵈᵉˢ ᵃʳᵉ ᵉᵠᵘᵃˡ ⁱⁿ ˡᵉⁿᵍᵗʰ ʷʰⁱᶜʰ ᵐᵃᵏᵉˢ ⁱᵗ ᵈⁱᶠᶠᵉʳᵉⁿᵗ ᶠʳᵒᵐ ᵃ ˢᵠᵘᵃʳᵉ.

ᶠᵒʳ ᵉˣᵃᵐᵖˡᵉ, ⁱᶠ ᵒⁿᵉ ˢⁱᵈᵉ ᵒᶠ ᵃ ʳᵉᶜᵗᵃⁿᵍˡᵉ ⁱˢ 20 ᶜᵐ, ᵗʰᵉⁿ ᵗʰᵉ ˢⁱᵈᵉ ᵒᵖᵖᵒˢⁱᵗᵉ ᵗᵒ ⁱᵗ ⁱˢ ᵃˡˢᵒ 20 ᶜᵐ.