What is measure of angle a? enter your answer as a decimal in the box. round only your final answer to the nearest hundredth. ° right triangle a b c, with right angle c b a. side a b is three centimeters, side b c is four centimeters, and side c a is five centimeters.

53.13 is the answer.

Step-by-step explanation:

The measure of angle A is 53.13°.

Step-by-step explanation:

Given,

ABC is a triangle,

In which m∠CBA = 90°, AB = 3 cm, BC = 4 cm and CA = 5 cm,

By the law of sine,

( By cross multiplication )

By substituting the values,

              ( sin 90° = 1 )

Hence, the measure of angle A is 53.13°.

answer:

c 60% on edg

47

step-by-step explanation: