Question

I have two problems in the pictures. I need a bit of help! Please and thank you!

Answer 1

Answer:

30.6

Step-by-step explanation:

10.8+6+13.8

Answer 2

Answer:

Answers are below.

Step-by-step explanation:

Problem 2:

Area = approx. 11.3 (rounded to nearest tenth)

A = 1 / 4b $\sqrt{4a^{2} - b^{2} = }$ 1/4 x 4 x $\sqrt{4 *6^2 - 4^2}=$ 11.31371

11.31371 rounded to the nearest tenth is 11.3

Problem 3: i'm not too sure sorry :(