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Please help me quickly

Please help me quickly
asked 56.8k views
25 votes
Please help me quickly

Please help me quickly-example-1
asked
User Kelly J Andrews
by
8.1k points

1 Answer

6 votes

Answer:

AB = 13.964 cm

Explanation:

BF² = 6² + 13²

BF² = 36 + 169

BF² = 205

AB² = AF² - BF²

AB² = 20² - 205

AB² = 400 - 205 = 195

AB = 13.964 cm

answered
User Niche
by
7.9k points
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