In an isoscales ΔABC if AC=BC & AB²=2AC²,then angle C = ?
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angle c is right angle..
as AB^2=AC^2+AC^2=AC^2+BC^2
as AB^2=AC^2+AC^2=AC^2+BC^2
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then angle c = ?
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IN ∆ABC , AC = BC
AB² = 2AC²
AB² = AC² + AC²
AB² = AC² + BC². (Because AC = BC)
If in ∆ABC AB² = AC² + BC² THEN
ANGLE C = 90°
(PYTHAGORAS THEOREM REVERSE)
AB² = 2AC²
AB² = AC² + AC²
AB² = AC² + BC². (Because AC = BC)
If in ∆ABC AB² = AC² + BC² THEN
ANGLE C = 90°
(PYTHAGORAS THEOREM REVERSE)
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