Simplifying Ratios and Triangle Angles

The video tutorial covers the concept of ratios, starting with the length to breadth ratio of a rectangle, simplifying it, and then moving on to the length to perimeter ratio. It explains how to calculate these ratios and simplify them. The tutorial then shifts focus to triangles, discussing how to find the ratio of the third angle to the sum of all angles in a triangle, emphasizing the constant sum of 180 degrees for triangle angles.

What is the simplified ratio of length to breadth if the original dimensions are 12 and 8?

• 3:4

• 4:3

• 2:3

• 3:2

If the length of a rectangle is 12, what is the perimeter if the breadth is 8?

• 28

• 40

• 32

• 36

What is the simplified ratio of length to perimeter if the length is 12 and the perimeter is 40?

• 3:10

• 2:5

• 4:10

• 5:12

What should be the first step when analyzing a triangle?

• Draw the triangle

• Find the area

• Calculate the perimeter

• Measure the angles

If two angles of a triangle are 70 and 60 degrees, what is the third angle?

• 50 degrees

• 60 degrees

• 70 degrees

• 40 degrees

What is the sum of all angles in any triangle?

• 360 degrees

• 180 degrees

• 90 degrees

• 270 degrees

How do you calculate the third angle in a triangle if two angles are known?

• Multiply the known angles

• Divide the sum of known angles by 2

• Add the known angles

• Subtract the sum of known angles from 180

What is the simplified ratio of the third angle to the sum of all angles in a triangle if the third angle is 50 degrees?

• 1:4

• 5:36

• 1:3

• 5:18

Which number can be taken out to simplify the ratio of 50 to 180?

• 10

• 5

• 2

• 15

What is the simplified form of the ratio 50:180?

• 1:3

• 5:18

• 10:36

• 5:36