Answer:
<u>2</u><u>7</u><u> </u><u>+</u><u> </u><u>7</u><u>m</u>
Step-by-step explanation:

open the bracket:

Answer should be 3 I’m pretty sure
For the Fist One it’s Pentagonal Pyramid
Answer:
5 times the square root of 2 or 7.071
Step-by-step explanation:
Hope it helps!