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A triangle is divided into two triangles by drawing a line segment through one of its vertices. The sum of the inner angles of one of the triangles is () A. 180 ° B. 90 ° C. uncertainty
Because the sum of the internal angles of a triangle is 180 degrees, and it has nothing to do with the shape of the triangle. No matter whether the triangle is large or small, its sum of internal angles is fixed, and it is 180 degrees
A triangle and a parallelogram have the same base and area. The height of a parallelogram is 10 cm, so the height of a triangle should be () cm
A. 10B. 5C. 20
Let the height of the triangle be h, the height of the parallelogram be h, the area of the triangle = bottom × h × 12, the area of the parallelogram = bottom × h; bottom × h × 12 = bottom × h; then 12h = h, so the height of the triangle = 10 × 2 = 20 (CM); answer: the height of the triangle is 20 cm
A parallelogram has the same area and the same base as a triangle. The height of a parallelogram is 6cm and the height of a triangle is 5cm______ ．
6 × 2 = 12 (CM), answer: the height of triangle is 12 cm
RELATED INFORMATIONS
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