Question

The adjacent sides of a rectangle are 3.6cm and 1.5cm. Find the length of the diagonal. ​

Answer 1

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Given,

ABCD is a rectangle,

AB = DC = 3.6 cm

AD = BC = 1.5 cm

 

By Pythagoras,

(BD)² = (AB)² + (AD²)

(BD)² = (3.6)² + (1.5)²

(BD)² = 12.96 + 2.25

(BD)² = 15.21

BD = √15.21

BD = 3.9 cm

Answer 2

Answer

3.9cm

Step-by-step explanation:

3.6^2 +1.5^2=diagonal ^2

diagonal^2 =12.96+2.25cm

diagonal ^2 =15.21cm

diagonal =√15.21=3.9cm