altitude of right angled triangle and altitude formual
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an altitude of a triangle is a line segment through a vertex and perpendicular to a line containing the base (the side opposite the vertex). This line containing the opposite side is called the extended base of the altitude.
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Capillaries are tiny blood-containing structures that connect arterioles to venules. They are the smallest and most abundant form of a blood vessel in the body. Capillaries are small enough to penetrate body tissues, allowing oxygen, nutrients, and waste products to be exchanged between tissues and the blood.
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