10 Hard SAT Math Questions (Part - 3)

Question 1 :

Point C is the center of the circle shown below. Points D and F both lie on the circle as shown. The perimeter of triangle CDF is 60 units. What is the area of shaded region? Round your answer to the nearest hundredth.

digitalsatmath378.png

Answer :

Question 2 :

f(x) = ax2 + 36x + c

g(x) = jx2 – 57x +

The functions f(x) and g(x) are both quadratic functions, and m is a positive constant. The parabola formed by the graph of y = f(x) has a vertex with a    y-coordinate of 3m. The parabola formed by the graph of y = g(x) has a vertex with a y-coordinate of m. If f(10) = f(14) and g(-3) = g(27), for how many values of x does f(x) = g(x)?

Note : a, c, j and are constants.

A)  Exactly one

B)  Exactly two

C)  Infinitely many

D)  Zero

Answer :

Question 3 :

In triangle ABC, angle B is a right angle, the measure of angle A is 34°,and the length of segment BC is 13 inches. What is the area of triangle ABC in square inches?  

Answer :

Question 4 :

For two acute angles, A and B, cos A = sin B. The measures, in degrees of, A and B are 9x + 10 and 48 + 5x respectively. What is the value of x?

Answer :

Question 5 :

In triangle XYZ, the sum of the measures of angle X and angle Y is 90 degrees. The value of sin X = 5√3/12. What is the value of cos Y?

A)  5√13/12

B)  5√3/13

C)  10√5/21

D)  21/10√5

Answer :

Question 6 :

A set of five consecutive even integers is ordered from least to greatest. The sum of the first and fourth even integers is 5,860% more than the quotient of the fifth even integer and 30. The first even integer is p% less than the fifth even integer, where p is a constant. What is the value of p? (Round your answer to the nearest hundredth).

Answer :

Question 7 :

digitalsatmath377.png

A circle is inscribed in an equilateral triangle as shown above. Point L is the center of the circle. Points A, B and C all lie on the circle and the sides of the triangle. The perimeter of the triangle is 90√3. The length of arc AC is equal to kπ. What is the value of k?

Answer :

Question 8 :

The numbers a, b and p are all positive constants where 3 < a < 20 and 8 < b < 12.If the positive difference of a and 3 is p% less than the product of 5 and b, which equation correctly expresses p in terms of a and b?

Answer :

Question 9 :

A mathematician has two right circular cones. Cone A and Cone B are similar. Cone A has a surface area of 1,225π square inches and cone B has a surface area of 1,600π square inches. The radius of Cone A is 133 inches. The height of Cone B is 345 inches. What is the slant height, in inches of Cone B?

Answer :

Question 10 :

A line intersects two parallel lines, forming four acute angles and four obtuse angles. The measure of one of these eight angles is (9x – 220)°. The sum of the four of the eight angles is s°. Which of the following could NOT be equivalent to s, for all values of x?

A)  360

B)  –18x + 980

C)  –36x + 1,600

D)  18x – 700

Answer :

You might like these

10 Hard Digital SAT Math Problems (Part - 1)

10 Hard Digital SAT Math Problems (Part - 2)

10 Hard Digital SAT Math Problems (Part - 3)

10 Hard Digital SAT Math Problems (Part - 4)

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