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?
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?
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?
Jun sews two similar doll quilts, A and B. A's long side is 12 inches; its short side is 8 inches. B's long side is 36 inches. How many inches long is B's short side?
Kira has two similar TV screens, A and B. A's long side is 10 inches; its short side is 6 inches. B's short side is 15 inches. How many inches long is B's long side?
Pia copies a roof triangle (A) onto a tiny card (B). Every side of B is 0.25 times as long as A's. A has an angle of 110°. 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 EF
- side DE
- side DF
Zee labels two similar tent flaps. Triangle ABC is similar to triangle FDE. Which side of triangle FDE matches side AC?
Use the picture in question 8.
- side DF
- side DE
- side EF
Bo labels two similar warning signs. Triangle STU is similar to triangle VWX. Which side of triangle VWX matches side SU?
- side VX
- side VW
- side WX