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how to find the longer side of a triangle. Therefore if you know the measure of two angles you can easily determine the third angle by subtracting the measure of the two angles from 180 degrees. Ac sin 30 12 so c 2a bc sin 60 32 so b c32 a3 Also if you know two sides of the triangle you can find the third one from the Pythagorean theorem.
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Since we know 1 side and 1 angle of this triangle we will use sohcahtoa. Set up the triangle so that the side opposite the angle is matched with the angle. The ratio of the length of a side of a triangle to the sine of its opposite angle is constant.
Step 3 Write down.
Then click on show largest and see that however you reshape the triangle the longest side is always opposite the largest interior angle. Write Down Your Equation Write the equation out to read. The other two sides of the triangle are referred to as the legs. Step 2 SOH CAHTOA tells us to use S ine.
