Question

the diagram shown an isosceles triangle ABC. the value of x ​

Answer 1

Answer:

$\huge \sf \underline{ given\ \: : }$

$\sf \: sides \: of \: the \: isoceles \: triangle$

$\sf \: 40 \: . \: 40 \: . \: 4x$

$\huge \sf \underline{ to \: find\ \: : }$

$\sf \: the \: value \: of \: (x)$

$\huge \sf \underline{ solution\ \: : }$

$\sf \to \: 40 + 40 + 4x = 180$

$\sf \to \: 80 + 4x = 180$

$\sf \to \: 4x = 180 - 80$

$\sf \to4x = 100$

$\sf \to \: x \: = \: \frac{100}{4}$

$\blue{\fbox{{ \: x \: = \: 25}}}$

$\sf \underline{additional \: information \ \: : }$

$\blue \bull \sf \: interior \: angle \: of \: triangle \: is \: (180)$

$\blue \bull \sf \: two \: sides \: are \: equal \: in \: a \: \\ \sf \: isoceles \: triangle. \: \: \: \: \: \: \: \: \: \:$

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Answer 2

Answer:

value of x is 25°

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