The sum of the 3 inside angles of a triangle need to equal 180.
Y = 180 - 90 - 48 = 42 degrees.
See attached picture:
Answer:
Step-by-step explanation:
(c) multiply by 0.4
given
= 10
multiply both sides by 0.4 to eliminate the fraction
x = 0.4 × 10 = 4
and
= 10