Find, Correct to the Nearest Degree, the Angle Between the Planes

question 22

Multiple Choice

Find, correct to the nearest degree, the angle between the planes. $$x + y - z = 1,10 x - 15 y + 20 z = 5$$

• A) \(122 ^ { \circ }\)
• B) \(12 ^ { \circ }\)
• C) \(22 ^ { \circ }\)
• D) \(102 ^ { \circ }\)
• E) none of these

---

Definitions:

Amniocentesis

The use of a needle to withdraw amniotic fluid from the amniotic sac.

Cystic Fibrosis

A genetic disorder that causes severe damage to the lungs, digestive system, and other organs in the body.

Genetic Disorders

Diseases or conditions that are caused by abnormalities in an individual's DNA, which can be inherited from parents or occur due to mutations.

Amniocentesis

A medical procedure used in prenatal diagnosis where a small amount of amniotic fluid is sampled to test for chromosomal abnormalities and fetal infections.