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Sagot :
I Think its 563... Hope i helped!:D this app has alot of link scams so: mthway is a good help!:))
Answer:
500 cm2
Step-by-step explanation:
THIS ISNT MY WORK THIS IS THE WORK OF WALBER000
The dimensions of the prism are 7 cm, 9 cm and 20 cm.
So the three areas we want to find are three rectangles, with the sides:
7 cm and 20 cm, 9 cm and 20 cm, 9 cm and 20 cm
The area of each rectangle is:
rectangle_1 = 7 * 20 = 140 cm2
rectangle_2 = 9 * 20 = 180 cm2
rectangle_3 = 9 * 20 = 180 cm2
Summing all these three areas, we have:
Total area = 140 + 180 + 180 = 500 cm2
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