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timama [110]
2 years ago
13

Help me pleaseee asap !!!

Mathematics
1 answer:
frosja888 [35]2 years ago
4 0

Step-by-step explanation:

5x+3x-14=180

8x-14=180

8x=180+14

8x=174

x=174/8

x= 21.75°

if x is 21.75°, then 5x is 108.75°

which means 3x-14 is 51.25°

therefore, f +108.75+51.25=180

f = 180-160

f=20°

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