Given a set, A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} a. List the ordered pairs in the relation R on set A, where (, ) ∈ if and only if = 2
b. List the domain and range of R.
c. Is R irreflexive? Justify your answer

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap