Answer:
52 - 48 = 4
Around 7%
(Please tell me if this is wrong)
Answer:

Step-by-step explanation:
Factorise in order to reveal factors.

Answer:
16.9°
Step-by-step explanation:
tan x = 1.7/5.6
tan^-1 x = 16.9°
Answer: Measure 1 is 54 degrees it is congruent to measure 3. Measure 7 is 90 degrees it is congruent to measure 5.