YouTube on MSNOpinion

Using consecutive angles to find the missing measure of an angle

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be ...
YouTube on MSNOpinion

Using parallel lines to find the measure of angles

👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be ...
BBC

Geometry and measure

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...
BBC

KS2 Maths teaching resources: Measuring angles - Part 2

ZACH: Our virtual skateboard is looking awesome, Kayla! KAYLA: Yeah, but I think we should add in some more ramps. ZACH: Let’s have a look at our design.Ah, one of the angle measurements is missing on ...
Scientific American

Measure Earth's Circumference with a Shadow

Introduction If you wanted to measure the circumference of Earth, how long would your tape measure have to be? Would you need to walk the whole way around the world to find the answer? Do you think ...