Single Choice

If g = 90, what is a + k ?

A$$135$$
B$$45$$
C$$90$$
Correct Answer
D$$60$$

Solution

$$90^o$$:
If $$g =$$ $$90^o$$, then the other two angles in the triangle, c and i, sum to $$90$$. Since a and k are vertical angles to c and i, they sum up to $$90^o$$ as well.

SIMILAR QUESTIONS

Lines and Triangles

In $$\triangle ABC$$, side $$BC$$ has produced to $$D$$. If $$\angle ACD$$ = $$132^{o}$$ and $$\angle BAC$$ = $$54^{o}$$, then $$\angle ABC$$ = ?

Lines and Triangles

In $$\triangle ABC$$, side $$BC$$ has been produced to $$D$$. If $$\angle BAC$$ = $$45^{o}$$ and $$\angle ABC$$ = $$55^{o}$$, then $$\angle ACD$$ = ?

Lines and Triangles

In the given figure, side $$BC$$ of $$\triangle ABC$$ is produced to $$D$$ such that $$\angle ABC$$ = $$70^{o}$$ and $$\angle ACD$$ = $$120^{o}$$. Then, $$\angle BAC$$ = ?

Lines and Triangles

In the given figure, $$\angle A$$ = $$50^{o}$$, $$CE \parallel BA$$ and $$\angle ECD$$ = $$60^{o}$$. Then, $$\angle ACB$$ = ?

Lines and Triangles

In the figure given alongside, find the measure of $$\angle ACD$$

Lines and Triangles

In the figure given alongside, find the values of $$x$$ and $$y$$

Lines and Triangles

In the figure given alongside, find the values of $$x$$ and $$y$$

Lines and Triangles

An exterior angle of a triangle measures $${110}^{o}$$ and its interior opposite angles are in the ratio $$2:3$$. Find the angles of the triangle.

Lines and Triangles

In the figure, $$ \angle B=65^o $$ and $$ \angle C = 45^o $$ in $$ \triangle ABC $$ and $$ DAE \parallel BC $$. If $$ \angle DAB = x^o $$ and $$ \angle EAC = y^o $$, find the values of x and y.

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