# Solve the Triangle a=43 , b=53 , c=72

Solve the Triangle a=43 , b=53 , c=72
, ,
Use the law of cosines to find the unknown side of the triangle, given the other two sides and the included angle.
Solve the equation.
Substitute the known values into the equation.
Simplify the results.
Simplify the numerator.
Raise to the power of .
Raise to the power of .
Raise to the power of .
Multiply by .
Subtract from .
Simplify the denominator.
Multiply by .
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Evaluate .
Use the law of cosines to find the unknown side of the triangle, given the other two sides and the included angle.
Solve the equation.
Substitute the known values into the equation.
Simplify the results.
Simplify the numerator.
Raise to the power of .
Raise to the power of .
Raise to the power of .
Multiply by .
Subtract from .
Simplify the denominator.
Multiply by .
Multiply by .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Evaluate .
The sum of all the angles in a triangle is degrees.
Solve the equation for .
Move all terms not containing to the right side of the equation.
Subtract from both sides of the equation.
Subtract from .
These are the results for all angles and sides for the given triangle.
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### Name

Name nine hundred one million three hundred ninety-three thousand four hundred seventy

### Interesting facts

• 901393470 has 32 divisors, whose sum is 2884459392
• The reverse of 901393470 is 074393109
• Previous prime number is 3

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 36
• Digital Root 9

### Name

Name nine hundred sixty-two million four hundred fifteen thousand eight hundred thirty-two

### Interesting facts

• 962415832 has 128 divisors, whose sum is 4057454592
• The reverse of 962415832 is 238514269
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity even
• Number length 9
• Sum of Digits 40
• Digital Root 4

### Name

Name one billion four hundred twelve million seven hundred eighty-six thousand five hundred twenty-one

### Interesting facts

• 1412786521 has 4 divisors, whose sum is 1417608612
• The reverse of 1412786521 is 1256872141
• Previous prime number is 293

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 37
• Digital Root 1