Chapter 4 Sections 4-6 Review for Math 7

Tell whether the triangles are similar.

• Yes; the triangles are similar because the angles are equal and the sides are proportional.

• Yes; the triangles are similar because the angles and sides are proportional

• No; the triangles are not similar because the angles are not equal and the sides are not proportional.

• No\; the triangles are not similar because the angles are equal but the sides are not proportional.

Tell whether the figures are similar.

• Yes; the triangles are similar because the angles are equal and the sides are proportional.

• Yes; the triangles are similar because the angles and sides are proportional.

• No; the triangles are not similar because the angles are not equal and the sides are not proportional.

• No; the triangles are not similar because the angles are equal but the sides are not proportional.

ΔABC∼ΔXYZ. Find the unknown measures.

• d = 25.5^o; z = 25 m

• d = 64.5^o; z = 9 m

• d = 64.5^o; z = 25 m

• d = 25.5^o; z = 9 m

Reynaldo drew a rectangular design that was 6 in. wide and 8 in. long. He used a copy machine to enlarge the rectangular design so that the width was 10 in. What was the length of the enlarged design?

• 8 in

• 4⅘ in

• 7½ in

• 13⅓ in.

Redon is 6 ft 2 in. tall, and his shadow is 4 ft 1 in. long. At the same time, a building casts a shadow that is 19 ft 10 in. long. What is the height of the building? Round to the nearest foot.

• 360 in

• 30 ft

• 2 ft

• 30 in

Identify the tables scale factor.

• ¹/₁₄

• 14

• 0.7

• ^39.2/_2.8

A photograph of Rene Magritte's painting The Schoolmaster has dimensions 5.4 cm and 4 cm. The scale factor is ¹/₁₅. Find the size of the actual painting.

• 81 cm; 60 cm

• 0.09 cm; 0.05 cm

• 11.1 cm; 20.25 cm

• 0.36 cm; 0.27 cm

A map of Texas has a scale of 1 in:65 mi. The distance from Dallas to San Antonio is 260 mi. What is the distance in inches between these two cities on the map?

• 0.25 mi

• 0.25 in

• 4 mi

• 4 in

________________ figures are figures that have the same shape but not necessarily the same size.

• Congruent

• Similar

• Corresponding Angles

• Corresponding Sides

________________ are angles in the relative position in polygons with an equal number of angles.

• Corresponding Angles

• Corresponding Lines

• Corresponding Sides

• Similar Angles