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se Fig. 7.34). Shotw uABCisaright angled triangle in whicland AB-AC. Find 4 B and 2 CLC-Show that the angles of an equilateral triangleare 60° each.22180 |
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Answer» We know that the sum of angle of triangle is 180° if angle A is 90° then,,180-90= 90. AB=AC Therefore,, angle B =angle C= 45° |
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