ev879438 ev879438

13-04-2022
Mathematics

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Need help with khan geometry no link pls just answer

Need help with khan geometry no link pls just answer class=

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LammettHash LammettHash

13-04-2022

Angles ABC and CBD are complementary - they add up to 90°. This means

(4x + 52°) + (8x - 10°) = 90°

Solve for x :

12x + 42° = 90°

12x = 48°

x = 4°

It follows that angle CBD has measure

4 • 4° + 52° = 16° + 52° = 68°

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