Answer:
Step-by-step explanation:
By definition <span>a2=b2+c2</span>, so if b<0 or c<0 or both, b2 and c2 will (always) be positive, and so their sum will always be positive, therefore the hypotenuse, a<span>, will always be positive.
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2fg+4g-6fg
(MINUS 6fg from 2fg)
-4fg+4g
(i would then put 4g- the common factor- outside brackets like)
4g(-f+1)
Step-by-step explanation:
The measure of angle 3 is 103 because 3 angles in a triangle equals 180. 52+25= 77 and 180-77= 103.
The measure of angle 4 is 77 because angle 3 and 4 make a line and a line is 180 degrees. so therefor the angle is 77 degrees
