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Recombine the following letters into words redss otac soopn
Dress dress,
Coat
Spoon
Rearrange the following groups of letters to form a word
a. I, R, B, B, t (rabbit)
a. A, N, P, D (panda)
a,r,e,b
o. E, m, N, K, y (monkey)
s,u,i,e,r,r,q,
e. E, a, N, P, h, t, l, l (elephant)
Rabbit
Panda
Bear
Monkey
Squirrels
Elephant
Recombine the letters below to form a word
1.a a m m d 2.y r t 3.y b u 4.h r i t y t 5.r e d s s 6.l o c t h e s
madam
try
buy
thirty
dress
clothes
As shown in the figure, given that the circumference of the circle is 25.12 cm, what is the area of the shadow?
25.12 ／ 3.14 = 8 (CM) 8 ／ 2 = 4 (CM) 3.14 × 42 × 14-4 × 4 ／ 2 + 8 × 4 ／ 2 = 12.56-8 + 16 = 20.56 (square cm) a: the area of shadow is 20.56 square cm
The circumference of a circle is 12.56cm. Draw the largest square in a circle. What is the square area
It's a big sentence
The diameter of the circle is 4, the diagonal of the square is 4, s = 4 * 4 / 2 = 8
It is known that the area of a square is 6 square centimeters, so we need to find the area of a circle
There is a square in the upper right corner of a circle
Find out the square side root 6, the square diagonal root 12, that is, the radius of the circle root 12, the area is 3.14 * 12 = 37.68 square centimeters
Square area formula and circle area formula
S = A2 s = R2
The height of a cylinder is 62.8 cm. Its side view is a square. Find the surface area of the cylinder
Follow up the questions
62.8 times 62.8 = 3943.84
62.8 divided by 3.14 divided by 2 = 10
3.14 times the square of 10 = 314
314 times 2 = 628
3943.84+628=4571.84
The surface area is 4571.84 square centimeters
To find the surface area of a cylinder, the side expansion is a square 8 cm long on one side
Bottom radius: 8 △ 3.14 △ 2 = 200 / 157 (CM)
Bottom area: 3.14 × (200 / 157) ^ 2 = 800 / 157 (square centimeter)
Side area: 8 × 8 = 64 (cm2)
Surface area: 64 + 2 × 800 / 157 = 11648 / 157 (square centimeter)
Dizzy, the data 8 is too hard to calculate
The height of a cylinder is 6.28 meters, and its side view is a square. How much is the surface area of the cylinder
The height is 6.28 meters
6.28 * 6.28 = 39.4384 (M2) - side area
6.28 / 3.14 / 2 = 1 (m)
3.14 * 1 * 1 = 3.14 (M2) - bottom area
39.4383 + 3.14 * 2 = 45.7184 (M2) - surface area
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