Question

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Answer 1

Answer:

A RIGHT Triangle

Step-by-step explanation:

Answer 2

Answer:

See Explanation

Step-by-step explanation:

$\because 3^2 + 4^2 = 9 +16 = 25...(1)\\\&\: 5^2 = 25.... (2)$

From equations (1) & (2), it is obvious that:

$\because 3^2 + 4^2 =5^2$

Hence, by converse of Pythagoras theorem: 3, 4 5 forms right triangle.

$\therefore m\angle A = 90\degree \\or\: \angle A \: is \: a\: right\: angle$

[/tex] \tan \theta = \frac{AB}{AC} \\\\

\therefore \tan \theta = \frac{4}{3}[/tex]