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25-05-2020
Mathematics

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Calculate the size of Angle A when two known angles are 80 degrees and 30 degrees

Calculate the size of Angle A when two known angles are 80 degrees and 30 degrees class=

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parmesancheese parmesancheese

25-05-2020

Answer:

70°

Step-by-step explanation:

every triangle has a total of 180°, therefore 180-80-30=70°

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