Answer:
358.2
Step-by-step explanation:
thats the answer because .21=.2
Answer:
X°
Step-by-step explanation:
there’s no other clues to what it could be, and since it’s x it would be X°
the example of an open equation is :x+9=16
Answer:
Angela is correct. Ricardo made a mistake which was that he probably got confused and did four times three plus two instead of four plus three times two.
Answer:
∠ 3 = 50°
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠ 1 is an exterior angle of the triangle, so
90° + ∠ 3 = ∠ 1
90° + ∠ 3 = 140° ( subtract 90° from both sides )
∠ 3 = 50°