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  In the diagram above, PQ//RS. The size of the angle marked x is?

Mathematics
JAMB 2008

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In the diagram above, PQ//RS. The size of the angle marked x is?

  • A. 100o
  • B. 80o
  • C. 50o
  • D. 30o
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Correct Answer: Option B
Explanation

Exterior angle = sum of two interior opposite angles
y = 50° (vert. opp ∠s are equal)
X = y + 30
X = 50 + 30
X = 80°

There is an explanation video available below.

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709