2 years ago

Prove that the angles at the base of an isosceles triangle are acute

1 answer:

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1. Since it is an isosceles triangle, we know that the two length sides have to be the same. Therefore, the angles across from the sides are the same. They cannot be 90 degrees or above because 90+90+0 would mean we would have all the interior angles at 180 but the thing is the third angle cannot be zero. Therefore, the other two angles cannot be 90 or more. They must be acute.

Also, if it had two right angles (90 degrees) or more, it could not close to be a triangle.

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I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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2 years ago

In which quadrants of the coordinate plane is the shaded region of the system located? y ≥ x y ≤ x + 4

Ksivusya [100]

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3 years ago

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What is 6,000 people voted in the election how many were from 18 to 29 years old?

Ilia_Sergeevich [38]

6000*10%=600
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