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2 years ago

Fghgguvguhv cygctgfyuhff

Mathematics

2 answers:

lakkis [162]2 years ago

4 0

Answer:

80 degrees i believe

Step-by-step explanation:

if supplementary angles =180 then 180-100=80

Anton [14]2 years ago

3 0

Answer:

m∠QRS = 80°

Step-by-step explanation:

We know that, sum of supplementary angles is 180°.

Given that ∠ABC and ∠QRS are supplementary, and m∠ABC = 100°.

So, m∠ABC + m∠QRS = 180°

=> 100° + m∠QRS = 180°

=> m∠QRS = 180° - 100°

=> m∠QRS = 80°

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