Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces: (i) {x: x is a triangle in a plane}…{x: x is a rectangle in the plane} (ii) {x: x is an equilateral triangle in a plane}… {x: x is a triangle in the same plane}
Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces: (i) {x: x is a triangle in a plane}…{x: x is a rectangle in the plane} (ii) {x: x is an equilateral triangle in a plane}… {x: x is a triangle in the same plane}

Solution:

(i) {x: x is a triangle in a plane} ⊄ {x: x is a rectangle in the plane}

(ii) {x: x is an equilateral triangle in a plane} ⊂ {x: x is a triangle in the same plane}