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Unit 7: Right Triangles and Trigonometry Homework 2: Special Right Triangles

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The value of the **variables** for x and y that are in the first **triangle** respectively will be 13 and 18.38.

### How to calculate the triangle?

From the information given, the **variables** can be found by using sine and **Pythagoras** identity.

Here, **tan 45° = x/13.**

1 = x/13

x = 1 × 13

**x = 13**

The value of **y** will be calculated thus:

y² = 13² + 13²

y² = 169 + 169

y² = 338

y = ✓338

y = **18.38**.

The value of y will be **18.38**.