KhyraSoraya KhyraSoraya

17-09-2020
Mathematics

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A wire with a length of 54 cm is bent to form a shape as shown in the diagram. what is the length of side AB

A wire with a length of 54 cm is bent to form a shape as shown in the diagram what is the length of side AB class=

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devishri1977 devishri1977

17-09-2020

Answer:

Step-by-step explanation:

Length of the wire = 54 cm

12 + (AB + 9) + 9 + 12 + AB = 54

Add the like terms

12+ 9 + 9 + 12 + AB + AB = 54

42 + 2AB = 54

2AB = 54 - 42

2AB = 12

AB = 12/2

AB = 6 cm

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