找到你今天要练的题。

In the figure, lines a and b are parallel and line c intersects both lines. If \( r=9k-10 \) and \( s=7k-98 \), what is the value of t?

In the figure, line \( AB \) is parallel to line \( CD \), and line \( AD \) intersects line \( BC \) at point \( E \). If \( y=115 \) and \( z=118 \), what is the value of x?

In the figure shown, line k intersects lines r and s. If \( w=118 \) , which additional piece of information is sufficient to prove that lines r and s are parallel?

In triangle XYZ, \( \frac{a}{c}=k \) and \( \frac{b}{d}=k \). What is the value of k? 

In the figure shown, lines l and k are parallel and line t intersects both lines. If \( x>145 \), which of the following must be true?

In the figure, lines r and s are parallel. If \( x=7k+19 \)  and \( y=9k-17 \), what is the value of k?

The measures of the interior angles of triangle ABC are 32°, 64° and x°. What is the value of x?

In triangle XYZ, the measure of angle X is x°, the measure of angle Y is y°, and the measure of angle Z is 17°. If x > y > 17, which of the following additional pieces of information is NOT sufficient to determine the values of x and y?

The measures of the interior angles of triangle ABC are 22°, 44°, and x°. What is the value of x?

In triangle RST, the measure of angle R is 37°, the measure of angle S is x°, and the measure of angle T is (3x−5)°. Point L lies on \( RS \), point K lies on \( ST \), and \( LK \) is parallel to \( RT \). What is the measure, in degrees, of angle SKL? (Disregard the degree symbol when entering your answer.)

The measures of the interior angles of triangle ABC are 34°, 58°, and x°. What is the value of x?

In the figure, line n is parallel to line s, and both lines are intersected by line t. If \( x=3z-30 \) and \( y=2z+45 \), what is the value of z?