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dedylja [7]
3 years ago
14

Work out the value of x

Mathematics
2 answers:
vesna_86 [32]3 years ago
6 0

Answer:

x=20

Step-by-step explanation:

The combination of 4x and 5x have to equal 180 degrees. By adding 4 and 5, you get 9. Divide 9 into 180, and you get 20.

weqwewe [10]3 years ago
5 0

Answer:

20

Step-by-step explanation:

4x+5x=180

x=20

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bogdanovich [222]

Answer:

l : b = 6 : 5

Step-by-step explanation:

let's assume lenght of each congruent rectangle be x

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\frac{3x}{4}

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\frac{5x}{2}

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