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MathLover1 replied to the thread Radian & Degree Measures.

that should be sign for "degree", it must be some error or wrong code usage [IMG]

MathLover1 liked nycmathguy's post in the thread Calculate the length of a side of a triangle knowing.

I'm back. I couldn't stay away from math for too long.

nycmathguy posted a new thread.

Radian & Degree Measures

What does the upside-down exclamation point mean in this example for (a) and (b)? [ATTACH]

Forum: Geometry and Trigonometry

nycmathguy replied to the thread Help Reversing Equation.

Thanks.

nycmathguy liked MathLover1's post in the thread Help Reversing Equation.

right

nycmathguy replied to the thread Calculate the length of a side of a triangle knowing.

I'm back. I couldn't stay away from math for too long.

nycmathguy liked MathLover1's post in the thread Calculate the length of a side of a triangle knowing.

if a/c=1/ 2 then c=2a or a=c/2 ; then in formula above, you express a as c/2 whatever the ratio is, use it to express side a in terms...

nycmathguy liked MathLover1's post in the thread Calculate the length of a side of a triangle knowing.

in this case yes [ATTACH] in your drawing the angle would be between c and b since given the ratio between the other two sides, use...

nycmathguy liked MathLover1's post in the thread Calculate the length of a side of a triangle knowing.

use cosine law: [IMG]

MathLover1 replied to the thread Calculate the length of a side of a triangle knowing.

if a/c=1/ 2 then c=2a or a=c/2 ; then in formula above, you express a as c/2 whatever the ratio is, use it to express side a in terms...

MathNoob replied to the thread Calculate the length of a side of a triangle knowing.

I thought the sizes are somehow relative to the angle. The ratio could be 1/2 or 2/4...

MathLover1 attached a file to the thread Calculate the length of a side of a triangle knowing.

in this case yes [ATTACH] in your drawing the angle would be between c and b since given the ratio between the other two sides, use...

MathNoob replied to the thread Calculate the length of a side of a triangle knowing.

Shouldnt it be the angle between a and b instead of alpha in the expression?

MathNoob liked MathLover1's post in the thread Calculate the length of a side of a triangle knowing.

use cosine law: [IMG]