Find the measure of $∠ B$ .

55°

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65°

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75°

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85°

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Solution

The correct option is B
65°

Let angle B = angle C = x (say)

2x + 50° = 180°

2x = 130°

x = 65°

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Similar questions

Q. Calculate the mode for the following data

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Weight	$45 - 55$	$55 - 65$	$65 - 75$	$75 - 85$	$85 - 95$
Number of persons	$1$	$2$	$3$	$10$	$7$

△

ABC is constructed such that AB = 7 cm, BC = 9 cm and

∠

B = 55

^{\circ}

. Then, the measure of

∠

A is

In the given figure, AB || DE. ∠A = 43⁰ and ∠BDE = 57⁰. The value of ∠x is ________.

Compute the mode from the following data:
$\begin{matrix} Size & 45 - 55 & 55 - 65 & 65 - 75 & 75 - 85 & 85 - 95 & 95 - 105 & 105 - 115 Frequency & 7 & 12 & 17 & 30 & 32 & 6 & 10 \end{matrix}$

5 + 15 + 25 + 35 + 45 + 55 + 65 + 75 + 85 + 95 = ___

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Find the measure of ∠B.

The correct option is B 65° Let angle B = angle C = x (say) 2x + 50° = 180° 2x = 130° x = 65°

Find the measure of $∠ B$ .

The correct option is B
65°

Let angle B = angle C = x (say)

2x + 50° = 180°

2x = 130°

x = 65°