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3 votes
The four folded parts of an envelope are opened up to create this figure. What is the surface area of one side of the unfolded envelope?

2 cm
3 cm
6 cm
3 cm
OA
25 square centimeters
OB. 37 square centimeters
OC. 50 square centimeters
OD. 64 square centimeters
4 cm
2 cm
Pls hurry

The four folded parts of an envelope are opened up to create this figure. What is-example-1
User Alagris
by
2.9k points

2 Answers

6 votes
There are 4 triangles with base 2 and height 2
4*(.5x2x2)=8
There are 4 triangles with base 3 and height 4
4*(.5x3x3)=18
And inside is 4x6=24
So total surface area of one side is 8+18+24=50cm^2
User SeinopSys
by
3.5k points
5 votes
Answer:
Option C. 50 square centimeters
Explanation:
we know that the surface area is equal to the area of four triangles plus the area of rectangle
so


User Mrfelis
by
3.4k points