School Improvement in Maryland

Sample Item
Selected Response Item for Grade 8

Standard 2.0 Knowledge of Geometry

Topic D. Congruence and Similarity

Indicator 1. Apply the properties of similar polygons

Objective a. Determine similar parts of polygons

Assessment limit: Use the length of corresponding sides or the measure of corresponding angles and rational numbers with no more than 2 decimal places (0 – 1000)

Trapezoid LMNQ and trapezoid RTSU, shown below, are similar.

geometric images

What is the measure, in degrees, of angleR

  1. 30°
  2. 45°
  3. 135°
  4. 150°

Correct Answer
A. 30°
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