Lines and Angles (Including Construction of angles) — MATHS STD 7 — Question
ICSE BoardEnglish MediumSTD 7MATHSLines and Angles (Including Construction of angles)2 Marks
Question
Write the complement of $\frac{1}{2}$ of a right angle
✓
Answer
Complement of $\frac{1}{2}$ of a right angle $=90^{\circ}-\frac{1}{2}$ right angle $ \begin{aligned} & =90^{\circ}-\frac{1}{2} \times 90^{\circ} \\ & =90^{\circ}-45^{\circ}=45^{\circ} \end{aligned} $
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