Answer my question and i will mark you as brainliest i promise

45° because triangles add up to 180° total, the square means 90° so you have 90° left which u divide by 2 because the other two angles are equal to eachother

1. 523.33 cubic inches

2. 113.04 cubic inches.

3. 17.41.

4. 16.49

i think this should be your answer

hope i

-lavira : )