Similar shapes: matching sides and angles
Grade 7 Math Worksheet
Circle the best answer, or write your answer on the line.
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A, inches B, inches 8 12 for the matching sides 6 ? for the other sides Luz builds two similar model windows, A and B. A's width is 8 inches and B's matching width is 12 inches. A is 6 inches tall. How many inches tall is B?
Milo compares two similar table tops, A and B. A's width is 80 cm and B's matching width is 100 cm. A is 140 cm long. How many cm long is B?
Noah designs a bookmark (A) and a bigger one (B), similar rectangles. A's width is 5 cm and B's is 8 cm. A is 20 cm tall. How many cm tall is B?
Pia's small kite (A) and big kite (B) are similar. A's width is 20 cm and B's matching width is 50 cm. B is 75 cm tall. How many cm tall is A?
Ren cuts a small paper pennant (A) and a bigger one (B), similar triangles. A's base is 4 cm and B's is 6 cm. B is 18 cm long. How many cm long is A?
One row 6 | 15 for the matching sides, with a box for the multiplier from A to B. Zee compares a flyer (A) and a poster (B), similar rectangles. The flyer is 6 cm wide and the poster is 15 cm wide. What is the scale factor from A to B?
One row 8 | 10 for the matching sides, with a box for the multiplier from A to B. Ari picks a small poster (A) and a bigger poster (B), similar rectangles. A is 8 inches wide and B is 10 inches wide. What is the scale factor from A to B?
Luz traces two similar kite wings, A and B. Every side of B is 1.5 times as long as A's. A has an angle of 55° at the top. How big is B's matching angle?
Milo copies a big warning sign (A) onto a small card (B). Every side of B is 0.5 times as long as A's. A has an angle of 80°. How big is B's matching angle?
Ren labels two similar warning signs. Triangle ABC is similar to triangle FDE. Which side of triangle FDE matches side AB?
- side DE
- side DF
- side EF