In the diagram, PQR is a straight line, (m + n) = 120o and (n + r) = 100o. Find (m + r)

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In the diagram, PQR is a straight line, (m + n) = 120o and (n + r) = 100o. Find (m + r)

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In the diagram, PQR is a straight line, (m + n) = 120^o and (n + r) = 100^o. Find (m + r)

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A 110^o
B 120^o
C 140^o
D 160^o

Correct Answer: Option C

Explanation:
if m + n = 120^o and n + r = 100^o
then m + n = 120^o
then r = 180^o - 120^o = 60^o
also n + r = 100^o
m = 180^o = 80^o
m + r is = 80^o + 60^o
= 140^o

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In the diagram, PQR is a straight line, (m + n) = 120o and (n + r) = 100o. Find (m + r)

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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