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Mathematics 13 Online
b1az3:

Find the perimeter of the figure shown below. about 38 about 45 about 57 about 113

b1az3:

1 attachment
jhonyy9:

hi ! can i help you ? but please collaborate

b1az3:

ok?

jhonyy9:

so than you see this figure what is there ? the midle part is a ... what geometric figure and on the right and left part what you see ?

b1az3:

a rectangle with 2 part's of a circle

jhonyy9:

yes - these two parts of a circle with name semicircle - yes ?

b1az3:

ya

jhonyy9:

ok so can you calcule the circumference of a semicircle ?

jhonyy9:

what is this wight side of rectangle for semicircle ?

jhonyy9:

have you heard about diameter of a circle ?

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