1,460 prompts matching "The cosine rule when the angle turns out obtuse"
IGCSE Maths Y10: The cosine rule used for a missing angle — Spot My Mistake
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Work a question on the cosine rul
Word problem: Using the cosine ratio to solve a right-angled
Act as my SS1 Maths tutor. Create a real-life word problem about a bricklayer measuring a
IGCSE Maths Y10: Why the sine rule can give two possible angles — Practice Set
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Set me a practice set on why the
IGCSE Maths Y10: The cosine rule used for a missing side — Explain It Back
I am in SS 1. I have just studied the cosine rule used for a missing side for Cambridge IG
IGCSE Maths Y10: Choosing between the sine rule and the cosine rule — IGCSE Exam Practice
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Set me a past-paper-style questio
Another worked example: The turning point of a quadratic without drawing it
Act as my SS1 Mathematics tutor. Work a second, different example on the turning point of
Teach me the IGCSE way: Naming angles as acute, obtuse, reflex or right
I am a Year 10 pupil. Teach me naming angles as acute, obtuse, reflex or right the way a C
IGCSE-style teach me: Finding an angle with the inverse cosine
I am a Year 10 pupil. Explain finding an angle with the inverse cosine in the style of a C
Word problem: Arc length when the angle is given in radians
Act as my SS1 Mathematics tutor. Give me three word problems on arc length when the angle
WAEC pitfalls: Leaving out the two radii when finding a sector's perimeter
Act as my SS1 Mathematics tutor. Show me the mistake candidates most often make on leaving
IGCSE Maths Y10: The sine rule used for a missing angle — Quiz Me
I am a Year 10 pupil taking Cambridge IGCSE Mathematics. Quiz me with five short questions
Quiz: Proving that the exterior angle of a triangle equals
Act as my SS1 Maths tutor and quiz me. Ask me five questions one at a time on proving that
Let me explain: Showing that the sum of the exterior angles
I just studied showing that the sum of the exterior angles of a convex polygon is 4 right
Spot my mistake: The conditions under which two triangles are congruent
Act as my SS1 Mathematics tutor. Work a question on the conditions under which two triangl
Spot my mistake: Constructing a triangle given the lengths
Act as my SS1 Maths tutor. I'll show you my working for a question on constructing a trian
Word problem: Telling an acute angle from an obtuse one
Act as my SS1 Mathematics tutor. Give me three word problems on telling an acute angle fro
Find my error: Proving that the exterior angle of a triangle
Act as my SS1 Maths tutor. I attempted a harder question on proving that the exterior angl
Real-life question: Finding the number of sides from a given angle sum
Act as my SS1 Mathematics tutor. Set me a question on finding the number of sides from a g
Real-life question: Finding the angle of a pie chart sector
Act as my SS1 Mathematics tutor. Set me a question on finding the angle of a pie chart sec
Another worked example: Finding an angle with the inverse tangent
Act as my SS1 Mathematics tutor. Work a second, different example on finding an angle with