3 years ago

What is the x value in the figure

Mathematics

1 answer:

Vinil7 [7]3 years ago

8 0

9514 1404 393

Answer:

x = 9
y = 12

Step-by-step explanation:

The angle marked 5x° is one of two acute angles in an isosceles right triangle, so is 45°.

5x° = 45°

x = 9 . . . . . . . divide by 5°

The side lengths are equal, so ...

7y -9 = 5y +15

2y = 24 . . . . . . . . add 9-5y

y = 12 . . . . . . . . . .divide by 2

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