Answer:
591 square cm
Step-by-step explanation:
25 times 23 =575
4 times 4 =16
575 plus 16=591
Answer:
yes
Step-by-step explanation:
Answer:
the number is 12
Step-by-step explanation:
20 - 7, 40 - 23, and 4 x 4
Answer:
See below
Step-by-step explanation:
<u>Statement | Reason </u>
1. m∠A + m∠B + m∠C = 180° | 1. Angles in a triangle sum to 180°
2. 28° + x - 4° + 2x = 180° | 2. Substitution
3. x=(180° - 24°)/3= 156°/3°= 52° | 3. Algebra
