jessicaldaisley jessicaldaisley

08-03-2021
Mathematics

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This drawing shows an Isosceles triangle. Work out the size of angle a.

This drawing shows an Isosceles triangle Work out the size of angle a class=

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Mohisha Mohisha

08-03-2021

50 degrees

All triangles have 180 degrees total.

Since it’s an isosceles triangle, the 2 bottom angles are congruent; thus, they have the same angle measurement.

Now just subtract the two angles from 180 to get the third angle.

180 - 65 - 65 = 50

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