# Worksheet: Intersection of Planes

In this worksheet, we will practice finding the point/line of intersection between planes given their equations.

**Q1: **

Find the point of intersection of the planes , , and .

- A
- B
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- D
- E

**Q4: **

Find the point of intersection of the planes , , and .

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- B
- C
- D
- E

**Q5: **

Find the point of intersection of the planes , , and .

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- B
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**Q6: **

Find the point of intersection of the planes , , and .

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- B
- C
- D
- E

**Q7: **

Find the point of intersection of the planes , , and .

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- B
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**Q8: **

Find the coordinates of the point of intersection of the straight line with the plane .

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**Q9: **

Straight line is parallel to plane , and from a point neither on the line nor in the plane are drawn rays , meeting in and . If , what is the ratio between and ?

- A
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**Q10: **

Find the point of intersection of the straight line and the plane .

- A
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- D

**Q12: **

Determine whether the following sentence is true or false: In every plane, any two intersecting lines are perpendicular.

- Atrue
- Bfalse