Question

Name the triangle in which some altitudes lie outside the triangle. How many altitudes lie
outside the triangle?​

Answer 1

Answer:

The altitudes from each of the acute angles of an obtuse triangle lie entirely outside the triangle,

Step-by-step explanation:

In an obtuse triangle (one with an obtuse angle), the foot of the altitude to the obtuse-angled vertex falls in the interior of the opposite side, but the feet of the altitudes to the acute-angled vertices fall on the opposite extended side, exterior to the triangle.

Answer 2

Answer:

right angled triangle

Step-by-step explanation:

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