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ertgyhn
18.12.2019 •
Mathematics
Item 23 solve the triangle with values a=23, b=24, and c=20. round decimal answers to the nearest tent
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Ответ:
Part 1)![\angle\ C=50.3\°](/tpl/images/0424/3277/d4932.png)
Part 2)![\angle\ B=67.4\°](/tpl/images/0424/3277/d3833.png)
Part 3)![\angle\ A=62.3\°](/tpl/images/0424/3277/98032.png)
Step-by-step explanation:
step 1
Find the measure of angle C
Applying the law of cosines
substitute the given values and solve for cos(C)
step 2
Find the measure of angle B
Applying the law of cosines
substitute the given values and solve for cos(B)
step 3
Find the measure of angle A
Remember that the sum of the internal angles of triangle must be equal to 180 degrees
substitute the given values and solve for ∠A
Ответ:
n= y- x/2
Step-by-step explanation: