The ratio of the angle of a triangle are 3: 3: 4. what are the angle measures and the triangles classificatiob ?
a 54° 54° and 72° equilateral triangle
b 54° 54° and 72° acute truangle
c 36° 36° and 108° scalene triangle
d 36° 36° and 108° obtuse triangle

What is the missing step in this proof ?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²