Đề luyện thi Olympic Tiếng Anh lớp 11 vòng 8

Line segment AB is shown in the diagram above. Which two sets of construction marks, labeled I, II, III, and IV, are part of the construction of the perpendicular bisector of line segment AB?

If △JKL ≅ △MNO, which statement is always true?

The sum of Scott's age and Greg's age is 33 years. If Greg's age is represented by g, Scott's age is represented by

In the diagram above of △ACE, medians AD, EB, and CF intersect at G. The length of FG is 12 cm. What is the length, in centimeters, of GC?

In the diagram below of circle O, chord AB is parallel to chord CD. Which statement must be true?

In the diagram above, line p intersects line m and line n. If m∠1 = 7x and m∠2 = 5x + 30, lines m and n are parallel when x equals

Look at this number line. Which point is closest in value to Q√P?

If y varies directly with x and y is 42 when x is 4, what is the constant of variation expressed in decimal form?

What is the length of the line segment whose endpoints are A(−1, 9) and B(7, 4)?

The value of 7/3! is