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Kazeer [188]
3 years ago
6

Can you guys help me how to solve this step by step

Mathematics
2 answers:
GaryK [48]3 years ago
7 0
Area of rectangle = Length x width, Area of triangle - (1/2) base x height
Surface Area is the sum of the area of all of the faces.

Your picture has 5 faces:
1) rectangle on the left
2) square in the middle
3) rectangle on the right
4 & 5) 2 congruent (identical) right triangles

Area of face #1: 5 x 4 = 20
Area of face #2: 4 x 4 = 16
Area of face #3: 3 x 4 = 12
Area of face #4: (1/2) x 3 x 4 = 6
Area of face #5: (1/2) x 3 x 4 = 6
Sum of the Area of the faces: 60

Answer: Surface Area of the figure is 60 units²

Volume = Length x width x height
             =     5      x    4    x     3
             = 60 units³

Answer: Volume of the figure is 60 units³



timofeeve [1]3 years ago
4 0

Surface area is not the volume

Surface area=60units^2

2 triangles(4x3)/2  = 6 units each=12 units

1 square 4x4=16units

1 rectangle 4x3=12

1 rectangle 4x5=20

6+6+16+12+20=60 units^2

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