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BigorU [14]
3 years ago
13

Can someone help me please

Mathematics
1 answer:
Ivahew [28]3 years ago
6 0
The answer is the first one I don't know if I am correct through hope that I can help
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Maths help PLZZ!!!
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Triangle ABC is an isosceles triangle.

Solution:

Given data:

∠ABC = 70° and ∠ACD = 55°

<em>If two parallel lines are cut by a transversal, then alternate interior angles are congruent.</em>

m∠BAC = m∠ACD

m∠BAC = 55°

<em>Sum of the angles in a straight line add up to 180°.</em>

m∠ACD + m∠ACB + m∠ABC = 180°

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