Question

PQR is a right-angled triangle.
Calculate the size of the angle marked x.
Give your answer correct to 1 decimal place.

pr=7.3
rq=5.8

Answer 1

Answer:

4.4

Step-by-step explanation:

• a²+b²≈c²
• 5.8²+b²≈7.3²
• 33.64+b²≈53.29
• b²≈53.29-33.64
• b²≈19.65
• b≈√19.65
• b≈4.4