QUESTION IMAGE
Question
hf = 8
gf = 28
find the value of x and gh.
segment addition postulate: gh + hf = gf
press the hotspot and type your answer. do not include symbols, just provide your numerical answer.
x =
gh =
<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Linear Equations",
"Geometric Segment Solving"
],
"new_concepts": [],
"current_concepts": [
"Segment Addition Postulate",
"Linear Equations",
"Geometric Segment Solving"
]
}
</pre_analysis>
<reasoning>
Set up the segment addition equation
Using the Segment Addition Postulate:
\[GH + HF = GF\]
Substitute the given values:
\[2x + 8 = 28\]
Solve for x
Subtract 8 from both sides:
\[2x = 20\]
Divide by 2:
\[x = 10\]
Calculate the length of GH
Substitute \(x = 10\) into the expression for \(GH\):
\[GH = 2x = 2(10) = 20\]
</reasoning>
<answer>
Find the value of \(x\) and \(GH\).
Segment Addition Postulate: \(GH + HF = GF\)
\(x =\) <blank>10</blank>
\(GH =\) <blank>20</blank>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Geometry",
"Segment Addition Postulate"
]
}
</post_analysis>
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<pre_analysis>
{
"quality": "clear",
"question_count": 1,
"skills_matched": [
"step_cot",
"blank_filling_formatter",
"explain_then_answer",
"quick"
],
"needs_drawing": false,
"concepts_used": [
"Linear Equations",
"Geometric Segment Solving"
],
"new_concepts": [],
"current_concepts": [
"Segment Addition Postulate",
"Linear Equations",
"Geometric Segment Solving"
]
}
</pre_analysis>
<reasoning>
Set up the segment addition equation
Using the Segment Addition Postulate:
\[GH + HF = GF\]
Substitute the given values:
\[2x + 8 = 28\]
Solve for x
Subtract 8 from both sides:
\[2x = 20\]
Divide by 2:
\[x = 10\]
Calculate the length of GH
Substitute \(x = 10\) into the expression for \(GH\):
\[GH = 2x = 2(10) = 20\]
</reasoning>
<answer>
Find the value of \(x\) and \(GH\).
Segment Addition Postulate: \(GH + HF = GF\)
\(x =\) <blank>10</blank>
\(GH =\) <blank>20</blank>
</answer>
<post_analysis>
{
"subject": "Mathematics",
"question_type": "Fill-in-the-blank",
"knowledge_point": [
"Mathematics",
"Geometry",
"Segment Addition Postulate"
]
}
</post_analysis>