Answer:
1069
Step-by-step explanation:
x-578=491
x=491+578=1069
Answer:
false and sum of the three angles of any triangle is equal to 180 degrees.
Step-by-step explanation:
Answer:
The surface area is 
Step-by-step explanation:
The surface area of a rectangular prism is calculated using the formula;
![S.A=2[lw+lh+wh]](https://tex.z-dn.net/?f=S.A%3D2%5Blw%2Blh%2Bwh%5D)
The length of the rectangular prism is
The height is 
The width is 
The surface area
![S.A=2[10(8)+10(6)+8(6)]](https://tex.z-dn.net/?f=S.A%3D2%5B10%288%29%2B10%286%29%2B8%286%29%5D)
![S.A=2[80+60+48]](https://tex.z-dn.net/?f=S.A%3D2%5B80%2B60%2B48%5D)


Answer:
9.
Step-by-step explanation:
The highest power is 3*3 = 9, so it's 9.
Answer:
circumference is πd
d=112mm
22/7*112
=352mm
Step-by-step explanation: