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Measure of triangle

0 votes

Triangle not to scale. Angle a=50, side a=105 and side b is 45

length of angle b and c and side length of c

b=45b45
asked Jul 1, 2016 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

Length of angle image and sides are and .

Sine rule is image.

Substitute image, and in the sine rule.

image.

Find the length of angle image.

Consider image.

image

Length of angle is image.

Find the length of angle image.

angle is image.

Substitute image and image in above formula.

image

Length of angle is image.

Substitute image and image in the sine rule.

image

Step 2:

Find length of image.

Consider image.

image

Side length of is image

Solution :

Length of angles are image and image.

Side length of image

answered Jul 1, 2016 by Anney Mentor

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