help with trig

𝐑𝐢𝐠𝐡𝐭 𝐬𝐜𝐚𝐥𝐞𝐧𝐞 𝐭𝐫𝐢𝐚𝐧𝐠𝐥𝐞.

𝐔𝐬𝐞 𝐭𝐡𝐞 𝐋𝐚𝐰 𝐨𝐟 𝐒𝐢𝐧𝐞𝐬 𝐨𝐫 𝐭𝐫𝐢𝐠 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐬 𝐭𝐨 𝐟𝐢𝐧𝐝 𝐭𝐡𝐞 𝐦𝐢𝐬𝐬𝐢𝐧𝐠 𝐬𝐢𝐝𝐞𝐬:

 

𝐒𝐢𝐝𝐞𝐬: 𝐚 = 𝟕 𝐛 = 𝟔.𝟓𝟕𝟖 𝐜 = 𝟐.𝟑𝟗𝟒

𝐀𝐫𝐞𝐚: 𝐓 = 𝟕.𝟖𝟕𝟒
𝐏𝐞𝐫𝐢𝐦𝐞𝐭𝐞𝐫: 𝐩 = 𝟏𝟓.𝟗𝟕𝟐
𝐒𝐞𝐦𝐢𝐩𝐞𝐫𝐢𝐦𝐞𝐭𝐞𝐫: 𝐬 = 𝟕.𝟗𝟖𝟔

 

𝐀𝐧𝐠𝐥𝐞 ∠ 𝐀 = α = 𝟗𝟎° = 𝟏.𝟓𝟕𝟏 𝐫𝐚𝐝
𝐀𝐧𝐠𝐥𝐞 ∠ 𝐁 = β = 𝟕𝟎° = 𝟏.𝟐𝟐𝟐 𝐫𝐚𝐝
𝐀𝐧𝐠𝐥𝐞 ∠ 𝐂 = γ = 𝟐𝟎° = 𝟎.𝟑𝟒𝟗 𝐫𝐚𝐝

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