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Help me pls djejefjcskaeddn

Help Me Pls Djejefjcskaeddn class=

Sagot :

Answer:

Step-by-step explanation:

1  Yes they are right angles, it is a right angle because you solve it with a Sine equation

2 the hypotenuse is the longest side

3.  If the squares of the two shorter sides add up to the square of the hypotenuse, the triangle contains a right angle.