HS = LS + 42
HS = 438
438 = LS + 42
438 - 42 = LS
396 = LS
Answer:
27
Step-by-step explanation:
The answer is that c3x was the answer
If the side of the square is a it becomes 1.2a after the increase and its area becomes 1.44a². So the increase is 1.44-1=0.44 or 44%.
9514 1404 393
Answer:
x = 78°
Step-by-step explanation:
The sum of the interior angles of a triangle is 180°.
x + a + b = 180°
x = 180° -a -b . . . . . . . . add -a-b to both sides
x = 180° -54° -48°
x = 78°