Question

The triangle below is reflected about the y-axis and then translated 4 units to the left.

The resulting triangle isA A'B'C' . What is the measure of angle C'?

1. 35°
2. 55°
3. 63°
4. 125°

Answer 1

55⁰

Explanation:

a + b + c = 180⁰

35⁰ + 90⁰ + c⁰ = 180⁰

125⁰ + c⁰ = 180⁰

180⁰ - 125⁰ = 55⁰

c = 55⁰