912 prompts matching "Proving that the angle sum of a triangle is 180"
Spot My Mistake: The gradient of a line through two points (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: The equation of a line in the form ax plus by plus c equals nought (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the equation of a line in the form ax plus by plus c equals n
Spot My Mistake: The position vector of a point (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Spot My Mistake: The mean by the assumed mean method (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Spot My Mistake: The variance of ungrouped data (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Explain Back: The standard deviation of grouped data using class midpoints (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the standard deviation of grouped data using class midpoints
Worked Example: The class boundaries used in a histogram (Show That / Hence Find)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Wa
Explain Back: The modal class read off a histogram (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the modal class read off a histogram back to you in my own wo
Explain Back: The median read off an ogive (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the median read off an ogive back to you in my own words, as
Explain Back: The complement of an event written as one minus p (IGCSE/WAEC Revision)
I am in SS 2. Let me explain the complement of an event written as one minus p back to you
Explain Back: Multiplying the probabilities of two independent events (IGCSE/WAEC Revision)
I am in SS 2. Let me explain multiplying the probabilities of two independent events back
Spot My Mistake: The angle at the centre and the angle at the circumference (IGCSE Marking)
I am in SS 2. I am revising for both my Cambridge IGCSE and my WAEC Mathematics papers. Sh
Spot my mistake: The shape of y equals one over x
Act as my SS2 Mathematics tutor. Work a question on the shape of y equals one over x with
Spot my mistake: The area scale factor as the square of the length scale factor
Act as my SS2 Mathematics tutor. Work a question on the area scale factor as the square of
Spot my mistake: The shape of the tangent curve
Act as my SS2 Mathematics tutor. Work a question on the shape of the tangent curve with on
Spot my mistake: The ambiguous case, where two angles are possible
Act as my SS2 Mathematics tutor. Work a question on the ambiguous case, where two angles a
Spot my mistake: Finding an angle with the alternate segment theorem
Act as my SS2 Mathematics tutor. Work a question on finding an angle with the alternate se
WAEC Prep: Angle at the centre versus circumference
Act as my WAEC Maths exam coach. I am in SS 2. Give me a typical WAEC-style question on th
Real-life problem: Why opposite angles of a cyclic quadrilateral are supplementary
Act as my SS2 Mathematics tutor. Show me where why opposite angles of a cyclic quadrilater
WAEC prep: The product of perpendicular gradients being minus one
Act as my WAEC Mathematics exam coach. I am in SS 2. Show me how the product of perpendicu