Question

1. Do the two triangles have the same size and shape? Justify your answer. Write your answer in the space below.
2. Which side in triangle EFG has a length of 5 units? Explain how you know Write your answer in the space below. 3. What is the measure of the unknown angle in triangle ABC? Explain.​

Answer 1

1. Both triangles have the same shape and size

Both triangles have the same angles and if one side is the same size then both of them are EQUAL.

2. Line FG has a length of 5 units

Both triangles are equal, therefore line AC is equal to line FG. AC is 5 units long.

3. 23 Degrees

106 + 51 = 157

180 - 157 = 23

The other triangle also has the same angles.