Simplify each of the following: 2 1. (3+4i ) + ( 19 - 5i)
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Answer:
The area of the rectangle is 20 square units
Step-by-step explanation:
Through the x values of the ordered pairs, we can see that the length of the rectangle is 5
Through the y-values of the ordered pairs, we can see that the width of the rectangle is 4
The area can be found by multiplying the length and width, so this means
Side of base of square, a = 10 km.
Height of pyramid , h = 12 km.
Volume of pyramid is given by :
Surface area is given by :
Therefore, volume and surface area are 400 km³ and 340 km² respectively.
Hence, this is the required solution.