Question

cos alpha equal 1 root 2 and tan Beta = 1 then sin alpha + beta is equal ​

Answer 1

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Ratio of the sides of the two figures (fig 2:fig 1) = 2:1

Ratio of the areas of the two figures (fig 2:fig 1) = 3:1

Ratio of the perimeter of the two figures (fig 2:fig 1) = 2:1