# 100 100 100 triangle

### Equilateral triangle.

Sides: a = 100   b = 100   c = 100

Area: T = 4330.127701892
Perimeter: p = 300
Semiperimeter: s = 150

Angle ∠ A = α = 60° = 1.04771975512 rad
Angle ∠ B = β = 60° = 1.04771975512 rad
Angle ∠ C = γ = 60° = 1.04771975512 rad

Height: ha = 86.60325403784
Height: hb = 86.60325403784
Height: hc = 86.60325403784

Median: ma = 86.60325403784
Median: mb = 86.60325403784
Median: mc = 86.60325403784

Inradius: r = 28.86875134595
Circumradius: R = 57.7355026919

Vertex coordinates: A[100; 0] B[0; 0] C[50; 86.60325403784]
Centroid: CG[50; 28.86875134595]
Coordinates of the circumscribed circle: U[50; 28.86875134595]
Coordinates of the inscribed circle: I[50; 28.86875134595]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120° = 1.04771975512 rad
∠ B' = β' = 120° = 1.04771975512 rad
∠ C' = γ' = 120° = 1.04771975512 rad

# How did we calculate this triangle?

### 1. The triangle circumference is the sum of the lengths of its three sides ### 2. Semiperimeter of the triangle ### 3. The triangle area using Heron's formula ### 4. Calculate the heights of the triangle from its area. ### 5. Calculation of the inner angles of the triangle using a Law of Cosines
{"ft_lang_label":"__label__en","ft_lang_prob":0.6785342,"math_prob":0.99864084,"size":1292,"snap":"2019-35-2019-39","text_gpt3_token_len":470,"char_repetition_ratio":0.16381988,"word_repetition_ratio":0.056074765,"special_character_ratio":0.4883901,"punctuation_ratio":0.20769231,"nsfw_num_words":0,"has_unicode_error":false,"math_prob_llama3":0.9999547,"pos_list":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16],"im_url_duplicate_count":[null,6,null,6,null,6,null,6,null,4,null,6,null,6,null,6,null],"WARC_HEADER":"{\"WARC-Type\":\"response\",\"WARC-Date\":\"2019-09-18T09:54:15Z\",\"WARC-Record-ID\":\"<urn:uuid:85392bce-404c-46a2-bc20-a2bd508af592>\",\"Content-Length\":\"13422\",\"Content-Type\":\"application/http; msgtype=response\",\"WARC-Warcinfo-ID\":\"<urn:uuid:be5d44be-8314-46ed-9e9a-037457f8ec8e>\",\"WARC-Concurrent-To\":\"<urn:uuid:03785c21-922e-42f1-8c56-89137a6403b4>\",\"WARC-IP-Address\":\"104.28.12.22\",\"WARC-Target-URI\":\"https://www.triangle-calculator.com/?a=100&b=100&c=100&what=sss\",\"WARC-Payload-Digest\":\"sha1:QXG4BKRQNHS27OUSZ7A62BYPG4AKGGST\",\"WARC-Block-Digest\":\"sha1:2JXA5OU3BTTHLSHBETRXXZKBUZS4Z7EK\",\"WARC-Identified-Payload-Type\":\"text/html\",\"warc_filename\":\"/cc_download/warc_2019/CC-MAIN-2019-39/CC-MAIN-2019-39_segments_1568514573264.27_warc_CC-MAIN-20190918085827-20190918111827-00493.warc.gz\"}"}