A) 138 because 360 minus 90 plus 90 plus 42 is 138
Step-by-step explanation:
by Pythagoras theorm
AB²=AC²+BC²
AB²-BC²=AC²
6²-2² = AC²
32=AC²
TAKING SQUARE ROOT ON BOTH SIDES
4√2 = AC
280,000 should be recorded in Ritts Roofing's records.
The answer should be:
→
AB
The letters AB with an arrow pointing to the right over it.