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MATH / In △ABC, AC=BC, and m∠BAC=40^(∘). What is the number of degrees in angle x? [asy] size(80); draw((0,0)--(7,0)); draw((0,0)--(3,2)--(6,0)); label("A",(0,0),W); label("B",(6,0),S); l…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

problem

In △ABC\triangle ABC, AC=BCAC=BC, and m∠BAC=40∘m\angle BAC=40^\circ. What is the number of degrees in angle xx? [asy] size(80); draw((0,0)--(7,0)); draw((0,0)--(3,2)--(6,0)); label("AA",(0,0),W); label("BB",(6,0),S); label("CC",(3,2),N); label("xx",(6,0),NE); [/asy]
Plain-text mathematical notation (without MathML)
In △ABC, AC=BC, and m∠BAC=40^(∘). What is the number of degrees in angle x? [asy]
size(80);
draw((0,0)--(7,0));
draw((0,0)--(3,2)--(6,0));
label("A",(0,0),W);
label("B",(6,0),S);
label("C",(3,2),N);
label("x",(6,0),NE);
[/asy]
Original LaTeX notation
In $\triangle ABC$, $AC=BC$, and $m\angle BAC=40^\circ$. What is the number of degrees in angle $x$? [asy]
size(80);
draw((0,0)--(7,0));
draw((0,0)--(3,2)--(6,0));
label("$A$",(0,0),W);
label("$B$",(6,0),S);
label("$C$",(3,2),N);
label("$x$",(6,0),NE);
[/asy]

level

Level 1

type

Geometry

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Source and history

task_id
dd2eba6c-2f85-52c1-94c8-cce9ff271a5f
task_key
geometry--test--dd2eba6c-2f85-52c1-94c8-cce9ff271a5f
task_revision_id
1
config / split
geometry / test

Official source

initial import