Isosceles Triangle degrees 138, 21, 21 Small 320×166 Medium 640×331 Large 1024×530 Download Tiff Original 3000×1552 | (102.5 KB) Description An isosceles triangle with angles 138, 21, 21 Keywords 138, 21, angle, angles, Degree, degrees, isosceles triangle, isosceles triangles, obtuse triangle, obtuse triangles Galleries Isosceles Triangles Source: Florida Center for Instructional Technology Clipart ETC (Tampa, FL: University of South Florida, 2009)
