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Circumference of a circle 24cm?
The circumference of a 24cm circle is: 75.4 cm(diameter x pi = circumference).
The length of a rectangle is fixed at 24 cm what widths will make the perimeter greater than 96 cm?
Anything greater than 24 cm. P = 2*L + 2*W, since the length is fixed at 24cm we have: 2*(24cm) +2*W > 96cm 2W > 96 - 48cm 2W > 48cm, or Width > 24cm. So any width greater than 24cm will make the perimeter >96cm. Obviously a width of 24cm wouldn't work since a polygon with all four sides equal would be a square and not a rectangle.
The base of an isosceles triangle is 18 cm long the equal side are each 24 cm long What is the altitude?
Since an isosceles triangle can be represented by two right triangles back to back, you can utilize the pythagorean theorum to solve this example. Specifically: 18cm/2 = 9cm = 1 leg of right triangle (A) 24cm = hypotenuse of right triangle (C) A squared + B squared = C squared Altitude = B = square root of (C squared - A squared) = approximately 19.875
The height of a triangle is 2cm less than its width. The area of the triangle is 24cm squared. What is the Base and height?
A = 1/2 BH A = 24 = 1/2 BH 24 * 2 = BH 48 = BH H = B - 2 48 = B(B - 2) B2 - 2B = 48 B2 - 2B - 48 = 0 (B - 8)(B + 6) = 0 B = 8 or -6 Since the base cannot be negative, the base is 8 and the height is 6 (8 - 2)
Find the volume of a concrete block measuring 16 cm by 24cm by 1.4m?
v=LWH (length x witdhx height) .16m x .24m x 1.4m = 0.06144 m2
