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r-ruslan [8.4K]
3 years ago
14

Plz help ill give u brainlist

Mathematics
1 answer:
monitta3 years ago
4 0
A² + b² = c²
1² + b² = 2²
b² = 2² - 1²
b² = 4 - 1
b² = 3
b = √3 
b  1.73 (nearest hundredth)

Answer: b =  1.73

---------------------------------------------------------------------------------------------------------------------

\sin(\alpha) =  \dfrac{\text {opp}}{\text{hyp}}

\sin(\alpha) =  \dfrac{\text {1}}{\text{2}}

\alpha =  \sin^{-1} \bigg ( \dfrac{1}{2}  \bigg)

\alpha = 30 \textdegree

Answer: 30°

---------------------------------------------------------------------------------------------------------------------

\cos(\beta) = \dfrac{\text {adj}}{\text{hyp}}

\cos(\beta) = \dfrac{\text {1}}{\text{2}}

\beta = \cos^{-1} \bigg ( \dfrac{1}{2} \bigg)

\beta = 60 \textdegree

Answer: 60°
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