DSUDLER5555
05.03.2021 •
Mathematics
Carmen found m∠1 this way:
Is her answer correct? Explain why or why not.
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Ответ:
She is not correct because ∠1 is an alternate exterior angle with ∠3, not the angle that measures 105°. So m∠1 = 75°.
Step-by-step explanation:
Ответ:
No she is not correct.
Step-by-step explanation:
She is not correct because first of all, 1 would equal 3 because the measurement 105 + the angle 3 would have to equal 180. So, angle 1 would be 75 degrees.
Ответ:
area = x² - 7x
Step-by-step explanation:
The area (A) of a triangle is calculated as
A =
bh ( b is the base and h the perpendicular height )
Here b = 2x and h = x - 7 , thus
A =
× 2x(x - 7) = x(x - 7) = x² - 7x