Answer:
C,D,F
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
The sum of the 3 interior angles of a triangle = 180°
Check the sums of the given sets of angles
90° + 42° +58° = 190° ≠ 180° ← not valid
60° + 60° + 60° = 180° ← Valid
100° + 48° + 42° = 190° ← not valid
31° + 75° + 70° = 176° ← not valid
Answer:
boxes 1, 3, and 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
First, find the area of the bigger shape. Then, separately, find the smaller shape's area. Subtract the smaller one by the big boi, and you'll get the area of the shaded area. You can count the little squares too.
12*8=96
4*6=24
96-24=72
No.
Answer:
-23.8
Step-by-step explanation:
use PEMDAS
- add (27+9)
- add (8.2) + 4
- subtract
- = -23.8