Please assist. Many thanks.

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primary 6 | Maths | Geometry
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primary 6 Maths Geometry Singapore

Please assist. Many thanks.

Date Posted: 2 years ago

Comments 1 add a comment

Sstrike

2 years ago

116 - 87 = 29
2×29=58
180-58=122
122-87=35
2×35=70
180-70=110

See 2 Answers

∠STR
= 180° - 116° (∠ On a str. Line)
= 64°

∠QSR
= 180° - 87° - 65° (∠ Sum of triangle)
= 29°

∠QTR = 116° (vert. Opp ∠)

∠PRQ
= 189° - 116° - 29° (∠ Sum of triangle)
= 35°

∠QPR = 35° (isos. Triangle)

∠PQR
= 180° -35° - 35° (∠ Sum of triangle)
= 110°

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