Mathematics, 22.09.2019 00:30, moorealexis819owh9lb

1. the measures, in degrees, of the three angles of a triangle are given by 2x + 1, 3x − 3, and 9x. what is the measure of the smallest angle?
a 36°
b 117°
c 13°
d 27°
2. keelie has a triangular-shaped card. the lengths of its sides are 3.9 cm, 5.2 cm, and 6.5 cm. is the card a right triangle? (select yes or no ) , the card ( select is not or is ) a right triangle
3. gretchen made a paper cone to hold a gift for a friend. the paper cone was 16 inches high and had a radius of 2 inches. find the volume of the paper cone to the nearest tenth. use 3.14 for π. the volume of the paper cone is about in3.

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1. the measures, in degrees, of the three angles of a triangle are given by 2x + 1, 3x − 3, and 9x....