Question

four equilateral triangles of side 4.5 cm are joined together to make a figure find the perimeter of the new figure
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Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

four equilateral triangles are joined it means the figure form is rhombus

perimeter of rhombus is 4×side

side is 4.5 cm

then,

perimeter is 4×4.5

18.0 cm

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