Respuesta :

ezekielisioma04

Step-by-step explanation:

2( l + w ) = perimeter of triangle

P = 2( 10+8 )

p= 2(18)

p= 36cm

Circle = pie (r) + d. recall d = 2r

P= 3.142 (4) + 8

P= 20.57~

so therefore= , 36 + 2(20.57)= 77.14cm ~ to the nearest tenths

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