A - 2b = 2 . . . (1)
a + b = 2(b + 3)
a + b = 2b + 3
a - b = 3 . . . (2)
(1) - (2) => -b = -1 => b = 1
From (2): a - 1 = 3 => a = 3 + 1 = 4
Therefore, a = 4 and b = 1
Answer:
True.
Step-by-step explanation:
It explains itself right
In an acute triangle all angles must be acute ( or less than 90°)
Answer: C ) 50°, 55°, 75°
A) and D ) are an obtuse and B ) is a right triangle.
