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06-01-2021
Mathematics

contestada

A rectangle is 12 cm long and 5 cm wide.
Work out the length of a diagonal of the rectangle.

Respuesta :

06-01-2021

Answer:

diagonal=13cm

Step-by-step explanation:

a² + b²=c²

(12cm)² + (5cm)²=c²

144cm² + 25cm²=c²

169cm²=c²

√169cm²=√c²

13cm=c

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