You divide 42 by 3 then multiply what you get times 5. it should equal 60 cm
Answer:
6 3/10 or as a decimal 6.3
What would you like help with?
The answer is 21 which comes from 7 * 3.
Draw the four points in a complex plane. From the drawing you can see that the lenght is 4i - (-3i) = 4i + 3i = 7i, and the width is 1 - (-2) = 1 + 2 = 3.
So, the area is 7 * 3 = 21.