### 2 Answers

Relevance

- A.J.Lv 710 months ago
a. GIVEN

b. Definition of RIGHT ANGLE in degrees

c. Sum of two angles by a dividing ray will equal the total.

d. Since both equal 90 degees, they equal each other

e. By subtracting m DBE from both sides of the equation

- Anonymous10 months ago
It's too hard...……..I'm out!

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