ClaratheBrainlyQueen ClaratheBrainlyQueen

28-07-2022
Mathematics

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Calculate angles in a triangle
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Calculate angles in a triangle HELP class=

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saadatk saadatk

28-07-2022

Answer:

angle a = [tex]\boxed{154}^{\circ}[/tex]

Step-by-step explanation:

The angles in a triangle add up to 180°.

∴ ∠a + 13° + 13° = 180°

⇒ ∠a + 26° = 180°

⇒ ∠a = 180° - 26°

⇒ ∠a = 154°

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