Answer:
-0.86602540378 is the decimal form
and the exact form is −
√
3/2
8 * 5.7 = 45.6
Hope this helps!!!!
From the information given, the objects that are luminous are lamp and computer screen.
Luminous objects simply refer to the objects that generate their own light. It should be noted that illuminated objects can reflect light into the eyes of a person.
From the options given, the luminous objects are lamp and computer screen. This is because both objects can produce their own light which can reflect into one's eyes.
Learn more about luminous objects on:
brainly.com/question/10393210