Complete this sentence: in a triangle, the angle with the smallest measure is always opposite the

Mathematics

2 answers:

Marta_Voda [28]3 years ago

8 0

Answer:

Complete this sentence: in a triangle, the angle with the smallest measure is always opposite the shortest side.

Neko [114]3 years ago

7 0

Answer: the shortest/ smallest side.

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3 parts: List the ratios for using angle A as the angle of reference reduce when necessary

dezoksy [38]

Answer:

$\sin{A}=21/29\\\cos{A}=20/29\\\tan{A}=21/20$

Step-by-step explanation:

The sine of an angle in a right triangle is the ratio of the side across from the angle with the hypotenuse of the triangle (the hypotenuse is the side across from the right angle). In this case, the sine of angle A, shortened to $\sin{A}$ , is $21/29$ .

Cosine is short for "complementary sine." If the angles A + C = 90, the cosine of A is equal to the sine of C, since A and C are complementary. So $\cos{A}=\sin{C}=20/29$ . Notice that this ratio is the same as the ratio of the side adjacent to angle A (AB), to the hypotenuse.