Answer:
A=50 cm
Step-by-step explanation:
For each of the shapes add the lengths of each side together. For the unknown sides, add the known to reach it EXP: for A you know that the base is = 7 cm+5 cm.
For B convert MM to CM. Add.
6
9
<u>Answer</u><u>:</u>
<u>-</u><u>2</u>
Hope you could understand.
If you have any query, feel free to ask.