This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
यदि सुबह 9 बजे किसी व्यक्ति की छाया उसकी ओर ही बन रही है, तो वह किस दिशा में मुंह करके खड़ा है?
Mathematics

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Answer
Step 1: Verify if is right-angled at using Pythagoras theorem.
Formula:
Since , is right-angled at .
Step 2: Area of right-angled triangle = (product of legs and ).
30 \mathrm{cm^{2}}
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Quick Answer
Verify if ABC is right-angled at B using Pythagoras theorem. Formula: AB^2 + BC^2 ?= AC^2 AB^2 + BC^2 = 5^2 + 12^2 = 25 + 144 = 169~cm^2 AC^2 = 13^2 = 169~cm^2 Since AB^2 + BC^2 = AC^2, ABC is right-angled at B.
ScanSolve AI Answer
Step 1: Verify if ABC is right-angled at B using Pythagoras theorem. Formula: AB^2 + BC^2 ?= AC^2 AB^2 + BC^2 = 5^2 + 12^2 = 25 + 144 = 169~cm^2 AC^2 = 13^2 = 169~cm^2 Since AB^2 + BC^2 = AC^2, ABC is right-angled at B. Step 2: Area of right-angled triangle = (1)/(2) × (product of legs AB and BC). Area = (1)/(2) × AB × BC = (1)/(2) × 5~cm × 12~cm = (1)/(2) × 60~cm^2 = 30~cm^2 30 cm^2