High School

2. Find mzE.

4

1040

F

D

Isosceles Triangles

1180-404-76

mLE ==

76 X.

3. Find x and y.

114

Triangle Sum Theo

x

180-774= (6

66 x.

x =

y = _66

2 Find mzE 4 1040 F D Isosceles Triangles 1180 404 76 mLE 76 X 3 Find x and y 114 Triangle Sum Theo x

Answer :

The missing sides are

y = 66 degrees

x = 48 degrees

How to find the missing sides

The missing sides are solved as follows

114 + y = 180 (angles on a straight line) and base angles of isosceles triangle are equal

y = 180 - 114

y = 66 degrees

Then using sum of angles in a triangle

66 + 66 + x = 180

x = 180 - 66 - 66

x = 48 degrees

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