2 years ago

Line GJ is tangent to point A at point G. If AI = 5 and IF = 12, find A F.

2 answers:

6 0

I believe this is how you do it...
AI=5, 5 squared=25
IF=12, 12 squared=144
144+25 (only because line A F is bigger than AI or IF does it add)
A F=169

TEA [102]2 years ago

5 0

АІF is the right triangle (АF is the hypotenuse)
<span>By the Pythagorean theorem:
</span>
АF² = AI² + IF² = 5² + 12² = 25 + 144 = 169
АF = √169 = 13 units

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