If - ABC is right angled at C - - A -45- and BC -7 units then - B and AC will beA- - B-90- AC -1 unitB- - B -60- AC -8 unitsC- - B -30- AC -9 unitsD- - B -45- AC -7 units

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Standard IX

Mathematics

Triangle Inequality

If Δ ABC is r...

Question

If ΔABC is right angled at C, ∠A = 45^o and BC = 7 units then ∠B and AC will be

∠B = 90^o, AC = 1 unit

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∠B = 60^o, AC = 8 units

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∠B = 30^o, AC = 9 units

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∠B = 45^o, AC = 7 units

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Solution

The correct option is D
∠B = 45^o, AC = 7 units

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If ΔABC is right angled at C, ∠A = 45o and BC = 7 units then ∠B and AC will be

The correct option is D ∠B = 45o, AC = 7 units

If ΔABC is right angled at C, ∠A = 45^o and BC = 7 units then ∠B and AC will be

The correct option is D
∠B = 45^o, AC = 7 units