Simplify (4x) • mn • 15 • 2a. 34xmn b. 60mnxc. 120mnx
2 answers:
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Answer:
B
Step-by-step explanation:
draw a right angled triangle with the right angle in the bottom left
label P as the bottome left corner and write its coordinates next to it
do same with Q
the length of the triangle is 4 (8-4 = 4)
the height is 10 (12-2 = 10)
use pythagoras to work out the hypotenuse: