Ratio/Proportion/Similarity - DB

Solve the proportion.

• 20
• 7
• 22
• 11

Solve the proportion.

• -5
• 2
• 7
• 6

A triangle’s angle measures are in the extended ratio of 2 : 4 : 9. Find the measures of the angles.

• 20^o, 40^o, 90^o

• 24^o, 48^o, 108^o

• 24^o, 32^o, 124^o

• 20^o, 40^o, 100^o

A triangle’s angle measures are in the extended ratio of 3 : 4 : 11. Find the measures of the angles.

• 30^o, 40^o, 90^o

• 30^o, 40^o, 110^o

• 10^o, 30^o, 140^o

• 40^o, 40^o, 100^o

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner? 

• 72 in
• 60 in
• 62 in
• 80 in

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner? 

• 72 in
• 60 in
• 62 in
• 80 in

The extended ratio of the sides of a triangle are 2 : 4 : 7. Find the length of the shortest side if the perimeter is 117 inches.

• 18 inches

• 9 inches

• 36 inches

• 63 inches

The perimeter of a rectangle is 98 ft. The ratio of length to width is 5 : 2. What is the area of the rectangle?

• 35

• 14

• 196

• 490

The ratio of two complementary angles is 5 : 7. What is the measure of the largest angle?

Is the largest angle acute, right or obtuse in a triangle that

has angles measures in ratio, 4 : 5 : 6?