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In a given figure abc is an equilateral triangle and bcde is a square prove that angle Abe equals 15 degree?
Wiki User
∙ 14y ago
Assuming the configuration is as follows. With the triangle inside the square D B A E C Angle CBD = 90 & Angle ABC = 60, therefore angle ABD = 30 (90-60) We also know that angle DBE = 45 (half square) So DBE-ABD=ABE which is 45 - 30 = 15 Its a bit confusing without proper diagrams but it works.
Wiki User
∙ 14y ago
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A+
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Figure B. equilateral triangle (small circle) inside of isosceles triangle (big cirlce)
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