QUESTION IMAGE
Question
vertical and adjacent angles
answer each question below. match your answers in the table to solve the riddle.
1 find the value of x.
2 find the value of x.
3 find the value of x.
4 if the measure of ∠adc is 50°, then what is the measure of ∠bdc?
5 find the value of x.
6 find the value of x.
7 find the measure of ∠1.
8 if the measure of ∠aed is 89°, then what is the measure of ∠ced?
9 find the value of x.
w: 76° s: 25° t: 44° n: 90° u: 20°
l: 23° h: 119° m: 106° p: 148° c: 95°
a: 107° e: 17.3° d: 67° r: 45° i: 48°
what diy tools do you use in math?
3 6 1 9 8 2 1 8 4 7 5
Let's solve each problem one by one:
Problem 1:
We have adjacent angles: \( 94^\circ + x^\circ = 117^\circ \)
Step 1: Subtract \( 94^\circ \) from both sides
\( x = 117 - 94 \)
Step 2: Calculate the result
\( x = 23^\circ \) (matches option L: \( 23^\circ \))
Problem 2:
Vertical angles are equal. So \( x = 148^\circ \) (matches option P: \( 148^\circ \))
Problem 3:
These are supplementary angles (form a straight line, \( 180^\circ \)): \( x + 174^\circ + 38^\circ = 180^\circ \)? Wait, no, looking at the diagram, it's \( x + 38^\circ = 180^\circ - 174^\circ \)? Wait, no, the straight line is \( 180^\circ \), so \( x + 38^\circ + 174^\circ \)? No, the diagram shows a straight line with \( 174^\circ \), \( x^\circ \), and \( 38^\circ \)? Wait, no, the correct approach: the sum of angles on a straight line is \( 180^\circ \). So \( x + 38^\circ + 174^\circ \)? No, that can't be. Wait, maybe the diagram is \( x + 38^\circ = 180^\circ - 174^\circ \)? No, that doesn't make sense. Wait, maybe the angles are \( 174^\circ \), \( x^\circ \), and \( 38^\circ \) forming a straight line? Wait, no, the correct way: \( x + 38^\circ = 180^\circ - 174^\circ \)? No, I think I misread. Wait, the straight line is \( 180^\circ \), so \( x + 38^\circ + 174^\circ = 180^\circ \)? No, that would be \( x = 180 - 174 - 38 = -32 \), which is wrong. Wait, maybe the diagram is \( x + 174^\circ = 180^\circ - 38^\circ \)? No, this is confusing. Wait, maybe the correct diagram is \( x + 38^\circ = 180^\circ - 174^\circ \)? No, I think I made a mistake. Wait, let's check the answer table. The options include \( 44^\circ \) (T), \( 23^\circ \) (L), \( 148^\circ \) (P), etc. Wait, maybe the problem is \( x + 38^\circ = 180^\circ - 174^\circ \)? No, that's \( x + 38 = 6 \), which is wrong. Wait, maybe the angles are \( 174^\circ \), \( x^\circ \), and \( 38^\circ \) are adjacent? No, the correct approach: the sum of angles on a straight line is \( 180^\circ \). So \( x + 38^\circ + 174^\circ = 180^\circ \)? No, that's impossible. Wait, maybe the diagram is \( x + 38^\circ = 180^\circ - 174^\circ \)? No, I think I misread the problem. Let's move to problem 4.
Problem 4:
\( \angle ADC = 50^\circ \), which is \( \angle ADB + \angle BDC \). \( \angle ADB = 32.7^\circ \), so \( x = 50 - 32.7 = 17.3^\circ \) (matches option E: \( 17.3^\circ \))
Problem 5:
We have vertical angles and supplementary angles. The angle opposite to \( 125^\circ \) is also \( 125^\circ \). Then, the sum of angles around a point is \( 360^\circ \), but here we have a straight line? Wait, the diagram shows \( 125^\circ \), \( 30^\circ \), and \( x^\circ \) forming a straight line? Wait, no, the angle adjacent to \( 125^\circ \) is \( 180 - 125 = 55^\circ \). Then, \( 55 = 30 + x \), so \( x = 55 - 30 = 25^\circ \) (matches option S: \( 25^\circ \))
Problem 6:
Vertical angles are equal. So \( 6x = 120 \)
Step 1: Divide both sides by 6
\( x = \frac{120}{6} \)
Step 2: Calculate the result
\( x = 20^\circ \) (matches option U: \( 20^\circ \))
Problem 7:
We have vertical angles and supplementary angles. The angle opposite to \( 30^\circ \) is \( 30^\circ \), and the angle opposite to \( 105^\circ \) is \( 105^\circ \). The sum of angles around a point is \( 360^\circ \), but we can also use supplementary angles. The angle adjacent to \( 105^\circ \) is \( 180 - 105 = 75^\circ \)? No, looking at the diagram, \( \angle 1 + 30^\circ + 105^\circ = 180^\circ \)? No, that doesn't make sense. Wait, the correct approach: vertical angles are equal. The angle opposite to…
Step 1: Identify the relationship (adjacent angles sum to 117°)
\( 94 + x = 117 \)
Step 2: Solve for x
\( x = 117 - 94 = 23 \)
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\( x = 23^\circ \) (matches option L: \( 23^\circ \))