Exterior Angle Theorem
Read this topicExplanations 3
- The exterior angle theorem states that the measure of an exterior angle of a triangle is greater than either of the measures of the remote interior angles. Proof. First, look at…
By Ahaan Rungta
- I'm attaching the same worksheet as I did for a different explanation. However, I only wish for you to do questions 11-20, and also, rather than doing the calculation 180º−θ180º…
By Freya Edholm
- ত্রিভুজের বহিঃস্থ কোণ উপপাদ্য হ্যালো! আমরা সবাই নিশ্চয় ত্রিভুজ সম্পর্কে মোটামুটি জানি এবং জ্যামিতির দুনিয়ায় এই ত্রিভুজকে বিভিন্নভাবে কাজে লাগাই। আমরা যখন ত্রিভুজের উপর অ্যাঙ্গেল…
By Tashki , Zawadx · বাংলা
Problems 12
- Three lines mmm, nnn, and ℓ\ellℓ lie in a plane such that no two are parallel. Lines mmm and nnn meet at an acute angle of 14∘14^{\circ}14∘, and lines mmm and ℓ\ellℓ meet at an …
- △ABC\triangle ABC△ABC এর ∠ABC=50°\angle ABC = 50°∠ABC=50° এবং BCBCBC বাহুকে DDD পর্যন্ত বর্ধিত করার ফলে উৎপন্ন বহিঃস্থ কোণ ∠ACD=125°\angle ACD = 125°∠ACD=125°. ∠BAC\angle BAC∠BA…
বাংলা
- Find xxx, the measure of the external angle, in the above figure.
- Find the measure of angle 222 in the above figure.
- The external angles opposite angle A and angle B of triangle ABC sum to 240∘240^{\circ}240∘. What is the measure of angle C?
- δ=\delta =δ=
- If δ=120∘\delta = 120^{\circ}δ=120∘ and γ=60∘\gamma = 60^{\circ}γ=60∘, what is the measure of β\betaβ?
- If α=75∘\alpha = 75^{\circ}α=75∘ and γ=45∘\gamma = 45^{\circ}γ=45∘, what is the measure of δ\deltaδ?
- If β=55∘\beta = 55^{\circ}β=55∘ and γ=80∘\gamma = 80^{\circ}γ=80∘, what is the measure of δ\deltaδ?
- Suppose that: β=75\beta = 75β=75 γ=6x+11\gamma = 6x+11γ=6x+11 δ=19x+8\delta = 19x+8δ=19x+8 What is δ\deltaδ?
- Suppose that: β=x+15\beta = x+15β=x+15 γ=25\gamma = 25γ=25 δ=2x+40\delta = 2x+40δ=2x+40 What is x?
- Suppose that: β=x+12\beta = x+12β=x+12 γ=58\gamma = 58γ=58 δ=2x+16\delta = 2x+16δ=2x+16 What is α\alphaα?