brisapablo11 brisapablo11

22-07-2019
Mathematics

contestada

3 m
3 m
2.6 m
5 m
1.5 m
1.5 m
What is the surface area including the floor

3 m 3 m 26 m 5 m 15 m 15 m What is the surface area including the floor class=

Respuesta :

lambuhere lambuhere

22-07-2019

Answer:

total surface area = area of the two equilateral triangles + area of the 3 rectangles,

= 2(√3/4 a²) + 3( l x b )

= 2[√3/4 (3)²] + 3( 5 x 3 )

= 2 x 3.9 + 45

= 7.8 + 45

= 52.8 m²

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