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Ray Of Light [21]
3 years ago
7

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

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
8 0
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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