Mathematics · Geometry

In triangle ABC, a line segment MN is drawn parallel to BC cutting AB at M and AC at N. If AN = 7 cm, BN = 8 cm, and AC = 18 cm, what is the length of BC?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

119 cm
221 cm
317 cm✓
423 cm

Correct answer

17 cm

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In triangle ABC, a line segment MN is drawn parallel to BC cutting AB at M and AC at N. If AN = 7 cm, BN = 8 cm, and AC = 18 cm, what is the length of BC?

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In triangle ABC, a line segment MN is drawn parallel to BC cutting AB at M and AC at N. If AN = 7 cm, BN = 8 cm, and AC = 18 cm, what is the length of BC?

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