7.G.1.2: select ALL the quadrilaterals that have ONLY ONE line of symmetry

(Quadrilateral) A kite

Step-by-step explanation:

It has not rotational symmetry. So no matter how you rotate there’s only one line of symmetry.

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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