abbyjmohler abbyjmohler

19-02-2021
Mathematics

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Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.

Find the unknown measures Round lengths to the nearest hundredth and angle measures to the nearest degree class=

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reeserl reeserl

19-02-2021

Answer:

AB = 4.62 m∠A = 22° m∠B = 68°

Step-by-step explanation:

Tan A = 1.7/4.3 = .39534...

m∠A = arctan .39534... ≅ 22°

m∠B = 90 - 22 = 68°

AB = [tex]\sqrt{1.7^{2} + 4.3^{2} } = \sqrt{2.89 + 18.49} = \sqrt{21.38} = 4.62[/tex]

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