Answer:
Step-by-step explanation:
Set the equations equal to each other: 25x+45=15x+14
Solve for x: 10x = -31
Solve for x: x=-3.1
Plug the x value back into one of the equations to find the value of y:
y = 15 (-3.1) +14
y = -32.5
The total surface area of a cone with a radius of 7 and a slant height of 9 would be around 351.858.
The lateral surface area of a cone with a radius of 7 and a slant height of 9 would be around 197.92.
You can use cone formulas to fine the surface areas, like the formula to find the slant height of the cone, to find the height of the cone and then solve for the area.
Hope this helps!
Answer:
b. six equilateral triangles
Step-by-step explanation:
The 6 interior angles of the hexagon are supplementary to the exterior angle and are 120 deg. ... Therefore the angles at the center is 360/6 = 60 degrees for each triangle. So all three angles of the six triangles are 60 deg each. So there are 6 equilateral triangles that form the regular hexagon.
Answer: the ratio 2:5
Step-by-step explanation:
I think thats the answer,
Answer:
Step-by-step explanation:
a=55 (180-125)
b= 65 (180-55-60)
d= 30 (90-60)
c= 60 (180-30-90)
