Question

how many degree of 2upon3 right angle​

Answer 1

$= \frac{2}{3} \times 90 \\ = 2 \times 30 \\ = 60$

Answer 2

Hi

Here is your answer

$\frac{2}{3 } of90 \\ \frac{2}{3 } \times 90 \\ = 2 \times 30 \\ = 60$

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