Question

find the perimeter of the composite figurr with full formula​

Answer 1

Answer:

The perimeter of the composite figure is 116 cm.

Step-by-step explanation:

Perimeter is the sum of all the sides in the shape.

P = AB + BC + CD + DE + EF + AF

Substitute the given dimensions.

P = 30cm + 28cm + 18cm + DE + EF + 12cm

Solve for the missing sides.

DE = 28cm - 12cm = 16cm

EF = 30cm - 18cm = 12cm

Substitute DE and EF.

P = 30cm + 28cm + 18cm + 16cm + 12cm + 12cm

P = 116cm

∴ the perimeter of the composite figure is 116 cm.

Answer 2

Answer:

True answer is 116cm

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Step-by-step explanation:

P= AB + BC + CD+DE+EF+FA

= 30+28+18+(28-12=16)+(30-18=12)+12

=116

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