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IRINA_888 [86]
3 years ago
9

What’s the correct answer for this

Mathematics
2 answers:
Leviafan [203]3 years ago
7 0

Answer:

45 degrees

Step-by-step explanation:

The interior angles of a triangle add to 180 degrees.

<ABC + <BCA + <CBA = 180

We know <ABC is 90 degrees, and <BCA is 45, so we can substitute them in.

90+45+<CBA=180

Combine like terms by adding 90 and 45

135+<CBA=180

Subtract 130 on both sides to get the variable by itself

<CBA=45

Olenka [21]3 years ago
5 0
Given 2 angle : 45 and 90 (right angle)
==> 180-45-90 = 45
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