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dimulka [17.4K]
3 years ago
9

Please help. I have no idea how to do this. Find the measure of

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0

m∠A = 40

Step-by-step explanation:

Given AB =AC and  m∠B = 70

Since AB =AC , Triangle ABC is an isosceles Triangle and the corresponding angles B and C are equal.

So m∠B = m∠C = 70

The sum of the 3 Angles of a triangle is 180°.

=> m∠A  + m∠B + m∠C = 180

=> 140 + m∠C = 180

=> m∠C = 40

Hence the answer is  m∠C = 40

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Is 300 mm greater than 3 cm
rewona [7]

Answer:

Yes

Step-by-step explanation:

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We have 300 mm, so let's convert this to cm by using a proportion:

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Cross-multiplying, we get: 10x = 300, so x = 30 cm.

Clearly, 30 cm > 3 cm, so yes, 300 mm is greater than 3 cm.

Hope this helps!

4 0
3 years ago
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Step-by-step explanation:

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