题目列表

题目内容
How many 3-digit integers whose units digit is 2 are perfect square number?
If r and t are each positive integers less than 10, how many different ordered pairs (r, t) exist such that 7r+7t is a square of an integer?
$$k^{2}$$=$$\frac{1}{2}$$,where k is a positive number.

Quantity A

k

Quantity B

$$\frac{1}{4}$$


Which of the following value is closest to $$\sqrt{79}$$?
x >$$\sqrt{5}$$

Quantity A:3x

Quantity B:$$\sqrt{45}$$
$$\sqrt{300}$$=k$$\sqrt{m}$$, where k and m are positive integers. What is the greatest possible value of (m+k)?
$$0 \lt x^{7} \lt 1$$

Quantity A

$$\sqrt{x}$$

Quantity B

$$x$$


$$y \gt 1$$,$$001$$

Quantity A

$$\sqrt[3]{y}$$

Quantity B

$$\frac{y}{100}$$





In the hexagon,x=115°
Quantity A: x
Quantity B: y
In a pentagon, the measure of one interior angle is 84°, while the measure of the rest four interior angles are the same. What is the measure of each of the rest four interior angles?

In the pentagon above,what is the value of x?
A hexagon is inscribed in a circle with diameter $$d$$. Each of the six sides of the hexagon have the same length, and each of the six angles of the hexagon have the same measure. What is the perimeter of the hexagon in terms of $$d$$?
In the figure shown above, a regular octagon is inscribed in a square.

Quantity A

The ratio of AE to AF

Quantity B

The ratio of AB to AD


A regular hexagon is inscribed in a circle. If the diameter of the circle is d, what will the perimeter of the hexagon be?
Pentagon A and B are similar pentagons. Each side of pentagon B is half of the corresponding side of pentagon A

Quantity A

$$\frac{1}{3}$$ times the area of pentagon A

Quantity B

Area of pentagon B



Quantity A

r

Quantity B

200



Quantity A

$$y$$

Quantity B

$$z$$


In a triangle Δ ABC,D is a point on AC,if BD is the height of Δ ABC,then which angle could be greater than 90°?
Three angles in a triangle : ∠A < ∠B < ∠C

Quantity A

∠A+∠B

Quantity B

∠C



According to the figure above,which of the following must be true?

Indicate all such items.

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