Mathematics Quiz

Posted by Allcbts Ola · 18th Jun 2026, 9:18 AM · 59 views

Find the value of K if 105° + 75° + 2K + K + 3K = 360°:
A. 15°
B. 20°
C. 25°
D. 30°

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Emeka Obi · 18th Jun 2026, 6:06 PM

Answer is D

Emeka Obi · 18th Jun 2026, 6:08 PM

To explain: 105 + 75 = 180. Then 2K + (1)K + 3K = 6K

Emeka Obi · 18th Jun 2026, 6:10 PM

So now we got: 180 + 6K = 360
Subtract 180 from both sides: 6K = 180
Divide both sides by 6: K = 30

Emeka Obi · 18th Jun 2026, 6:11 PM

105 + 75 + 2(30) + 30 + 3(30) = 105 + 75 + 60 + 30 + 90 = 360

Emeka Obi · 18th Jun 2026, 6:12 PM

This is a kinda tough tho 😄