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Write the Complement of (30 − A)° - Mathematics

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Question

Write the complement of (30 − a)°

Sum

Solution

Complement of (30 − a)° 

= 90°− (30 − a)°

= 90°− 30° + a° = 60° + a°

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Introduction to Lines and Angles
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Chapter 14: Lines and Angles (Including Construction of angles) - Exercise 14 (A)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 14 Lines and Angles (Including Construction of angles)
Exercise 14 (A) | Q 10.5
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