Solve the problem.Which of the following statements is true?
A. An isosceles right triangle is its own gnomon.
B. A golden rectangle is its own gnomon.
C. an equilateral triangle is its own gnomon.
D. A 30°-60°-90° triangle is its own gnomon.
E. none of these
Answer: A
You might also like to view...
Find the indicated probability.The table below shows the soft drinks preferences of people in three age groups.
If one of the 255 subjects is randomly selected, find the probability that the person drinks root beer given that they are over 40.
A. 
B. 
C. 
D. None of the above is correct.
Find all natural number values of b that make the trinomial factorable.x2 + bx + 28
A. 11, 16, 29 B. 11, 16 C. 1, 14, 28 D. 16, 29
Solve.The number of centimeters, d, that a spring is compressed from its natural, uncompressed position is given by the formula 
where W is the number of joules of work done to move the spring and k is the spring constant. Solve this equation for W. Use the result to determine the work needed to move a spring 8 centimeters if it has a spring constant of 0.6.
A. W = 2d2k
B. W = 
C. W = 
D. W = 
Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(5xy)-4/7
A. -(5xy)4/7
B. 
C. (5xy)7/4
D. 