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djdjdosoe6504
25.09.2019 •
Mathematics
Angle dbc measures 5 degrees less than angle c and angle d measures 8 degrees more than angle c. what are the measures of each angle of the triangle?
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Ответ:
The measure of angle b (angle dbc) is![54\°](/tpl/images/0260/2080/1070b.png)
The measure of angle c is![59\°](/tpl/images/0260/2080/a4c1c.png)
The measure of angle d is![67\°](/tpl/images/0260/2080/39865.png)
Step-by-step explanation:
Let
x-----> measure of angle b (angle dbc)
y----> measure of angle c
z----> measure of angle d
Remember that
The sum of the internal angles of a triangle must be equal to 180 degrees
so
Substitute equation B and equation C in equation A and solve for y
Find the value of x
Find the value of z
The measures of each angle of the triangle are
The measure of angle b (angle dbc) is![54\°](/tpl/images/0260/2080/1070b.png)
The measure of angle c is![59\°](/tpl/images/0260/2080/a4c1c.png)
The measure of angle d is![67\°](/tpl/images/0260/2080/39865.png)
Ответ:
--Answer--
It's in the picture, desmos will help for graphing.