Answer:
![\large\boxed{b=\pm\sqrt{77}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7Bb%3D%5Cpm%5Csqrt%7B77%7D%7D)
Step-by-step explanation:
![b^2=77\iff b=\pm\sqrt{77}\\\\\text{because}\\\\(-\sqrt{77})^2=77\ \text{and} \ (\sqrt{77})^2=77](https://tex.z-dn.net/?f=b%5E2%3D77%5Ciff%20b%3D%5Cpm%5Csqrt%7B77%7D%5C%5C%5C%5C%5Ctext%7Bbecause%7D%5C%5C%5C%5C%28-%5Csqrt%7B77%7D%29%5E2%3D77%5C%20%5Ctext%7Band%7D%20%5C%20%28%5Csqrt%7B77%7D%29%5E2%3D77)
I think straight angles ?
Answer:
174339220050
Step-by-step explanation:
50(3^20)
=(50)(3486784401)
=174339220050
Some of the important "given" information is outside of the photo.
We need to know that the two triangles are similar.
And we need to know that the WHAT ? of angle M is 9/40.
Answer:
c, 48 cubic meters
Step-by-step explanation: