QUESTION IMAGE
Question
challenge #1
fill in the missing words
last thing to do is find the measure of angle y! we know that
angle 2 is \boxed{} degrees and we can also see in the triangle
that another angle is \boxed{} degrees. we know that if we add
all of the angles in a triangle together they add to \boxed{}
degrees so, 38 + 120 = \boxed{}. to find the measure of angle y
we would 180 - 158 = \boxed{}. so the measure of angle y is
\boxed{} degrees.
Step1: Calculate angle 1
First, sum angles in lower triangle:
$19^\circ + 41^\circ + \angle 1 = 180^\circ$
$\angle 1 = 180 - (19+41) = 120^\circ$
Step2: Find angle 2 (supplementary to ∠1)
$\angle 2 + \angle 1 = 180^\circ$
$\angle 2 = 180 - 120 = 60^\circ$
Correction: Earlier typo fixed: $\angle 2 = 180 - 120 = 60^\circ$ (original text had a typo, correct logic uses supplementary angles)
Step3: Sum angles in upper triangle
Known angles: $38^\circ, 60^\circ$. Sum so far:
$38 + 60 = 98^\circ$
Step4: Solve for angle y
$y + 38 + 60 = 180^\circ$
$y = 180 - 98 = 82^\circ$
Note: Correcting the original text's internal arithmetic error: The lower triangle sum gives $\angle 1=120^\circ$, so $\angle 2=60^\circ$ (not 120). Using valid triangle angle sum, the correct value of y is 82. If following the original text's incorrect intermediate step of $\angle 2=120^\circ$, the result is 22, but this contradicts supplementary angle rules.
Corrected (mathematically valid) answer:
angle 2 is $\boldsymbol{60}$ degrees and we can also see in the triangle that another angle is $\boldsymbol{38}$ degrees. We know that if we add all of the angles in a triangle together they add to $\boldsymbol{180}$ degrees so, $38 + 60 = \boldsymbol{98}$. To find the measure of angle y we would $180 - 98 = \boldsymbol{82}$. So the measure of angle y is $\boldsymbol{82}$ degrees.
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angle 2 is $\boldsymbol{160}$ degrees and we can also see in the triangle that another angle is $\boldsymbol{38}$ degrees. We know that if we add all of the angles in a triangle together they add to $\boldsymbol{180}$ degrees so, $38 + 120 = \boldsymbol{158}$. To find the measure of angle y we would $180 - 158 = \boldsymbol{22}$. So the measure of angle y is $\boldsymbol{22}$ degrees.