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Misha Larkins [42]
3 years ago
12

Can somebody please help with this

Mathematics
2 answers:
True [87]3 years ago
4 0

Answer:

x + 10 = 90-10 so x is 80

x+20 =90 -20=70

2x =2x

cestrela7 [59]3 years ago
3 0

Answer:

The answer is 50

Step-by-step explanation:

The sum of the angles of a pentagon is 540

Then

(2x + 10) +( x + 10) +( 2x)  +(x + 20) + (x + 10) = 540 \\ 7x + 50 = 540 \\ 7x = 490 \\ x = 70 \\ when \: the \: biggest \: angle \: is \: (2x + 10) \\ 2x + 10 = 2 \times 70 + 10 = 150

I am a math teacher If you need any explanation you can communicate with me on Whats on this number +201557831028

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3 years ago
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Anna11 [10]
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7 0
3 years ago
Please help! (its in the pic) thank you! :)
tia_tia [17]
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