Question

write and learn formulas of chapter mensuration

Answer 1

Mensuration Formulas For 2D Shapes

Shape Area (Square units) Perimeter (units)

Rectangle l × b 2 ( l + b)

Circle. πr2. 2 π r

Scalene Triangle √[s(s−a). a+b+c

(s−b)(s−c)],

Where, s =

(a+b+c)/ 2

Isosceles Triangle ½ × b × h 2a + b

Answer 2

Answer:

all formula is here

Step-by-step explanation:

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