3 years ago

הום חמווובוביות חוב פובוס 2 M 150 K к 9 12 180 090

Mathematics

1 answer:

netineya [11]3 years ago

5 0

9514 1404 393

Answer:

a = 6

Step-by-step explanation:

A triangle inscribed in a semicircle is always a right triangle, so ...

15a° = 90°

a = 90/15

a = 6

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