7th Semester Review

Front

What does it mean for two figures to be proportional?

Back

Two figures are proportional if their corresponding sides are in the same ratio.

Front

How do you calculate the length of a semicircular arc?

Back

Front

If a model train has a scale of 1 inch to 13.5 feet, how do you find the real length of a model car?

Back

Multiply the length of the model car in inches by the scale factor: Real length = Model length × 13.5.

Front

What is a scale model?

Back

A scale model is a physical representation of an object that maintains accurate relationships between its dimensions.

Front

How do you convert measurements from a scale model to actual size?

Back

To convert measurements, multiply the model measurement by the scale factor.

Front

What is the formula for calculating earnings based on hours worked?

Back

The formula is E = rate × h, where E is earnings, rate is the hourly wage, and h is the number of hours worked.

Front

Back

Front

How do you find the area of a semicircle?

Back

Front

What is the relationship between scale and actual dimensions?

Back

The scale is a ratio that compares the size of the model to the actual size.

Front

How do you determine the length of a wire bent into a semicircle?

Back