2 years ago

Can someone help me with this question? Thank you!

Mathematics

2 answers:

Harman [31]2 years ago

6 0

Answer:

122°

Step-by-step explanation:

The Angle Sum Property of a triangle gives that the sum of the internal angles of a triangle is equal to 180°.

Hence,

⇒ ∠A + ∠B + ∠C = 180°

⇒ ∠A + <u>43°</u> + <u>15°</u> = 180°

⇒ ∠A + 58° = 180°

⇒ ∠A = 122°

emmasim [6.3K]2 years ago

4 0

Answer:

122°

Step-by-step explanation:

triangle = 180°

∴180 - 43 - 15

=122°

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