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Hisabati

Kikokotoo cha Pembetatu ya Kulia

Nadharia ya Pythagoras — a² + b² = c²

Maelezo ya kigezo

a= legb= other legc= hypotenuseA= areaα,β= acute angles

Pythagorean theorem

Relationship between the three sides.

Area

Half the product of the two legs.

Trigonometric ratios

SOH-CAH-TOA for angle α (opposite side a).

sin α
cos α
tan α

Angle from sides

Find an angle when all sides are known.

Angle α
Angle β

Mwongozo wa kina unakuja hivi karibuni

Tunafanya kazi kwenye mwongozo wa kielimu wa kina wa Kikokotoo cha Pembetatu ya Kulia. Rudi hivi karibuni kwa maelezo ya hatua kwa hatua, fomula, mifano halisi, na vidokezo vya wataalamu.

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Kidokezo cha Pro

To check if a triangle is a right triangle: compute a²+b² and c². If equal, it's a right triangle. Also: if a triangle's longest side satisfies c²>a²+b², it's obtuse; if c²<a²+b², it's acute.

Ugumu:Kati

Je, ulijua?

The 3-4-5 right triangle was known to ancient Egyptians, who used knotted ropes with 12 equal spaces to create right angles for surveying land after Nile floods. This "rope-stretching" method is one of the earliest practical applications of the Pythagorean theorem.

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Reviewed May 2026
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