Seudónimo Seudónimo

08-01-2021
Mathematics

contestada

Can someone please help me with numbers 4 and 5!!!

Can someone please help me with numbers 4 and 5 class=

Respuesta :

kenlingdad kenlingdad

08-01-2021

Answer:

Area: 378.5

Perimeter: 71.4

Step-by-step explanation:

Area = 3 square + 2 semicircle

A = 3 x 10² + 2 x (3.14 x 5²)/2 = 300 + 78.5 = 378.5

perimeter = 2 square/2 + 2circle/2

P = 2 x(10 + 10) + 2 x (2 x 3.14 x 5) / 2 = 40 + 31.4 = 71.4

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