trigonometry

Question

0

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Triangle GHI H=90 degree GI =52 cm and IH=21 CM find angle I

Guest Nov 9, 2014

+130511

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Best Answer

We have a right triangle where GI is the hypoteneuse and IH is one of the legs.....by the Pythagorean Theorem,

HG = √(52²- 21²)

And we can find angle I by using the tangent inverse

tan^-1 (√(52²- 21²) / 21) = about 66.18°

CPhill Nov 9, 2014

CPhill · Answer 1 · 2014-11-09T11:08:56

We have a right triangle where GI is the hypoteneuse and IH is one of the legs.....by the Pythagorean Theorem,

HG = √(52²- 21²)

And we can find angle I by using the tangent inverse

tan^-1 (√(52²- 21²) / 21) = about 66.18°