If I = “-1” then i2 =
2 answers:
Answer:
- We're provided - i = -1 & we're asked to find out the value of i².
- Plug the value of ( i ) in ( i ²) , it would be ( - 1 ² ). Now , You must have known that when the two negative integers are multiplied , the result will be a positive integer i.e ( - 1 ) × ( - 1 ) = 1 .
- ☂ Let me know if you have any questions regarding my answer :)
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Answer:
D. 6 + 6 + 30 + 40 + 50 = 132
Surface area of triangular prism:
(perimeter of base) × length + base × height
(s₁ + s₂ + s₃)(l) + bh
Here, provided with:
- s₁ = 3
s₂ = 4
s₃ = 5
- l = 10
- b = 4
- h = 3
So, the surface area:
Only option D gives 132 as an answer which is equivalent to the area.