question If a triangle has angles of 30 30 60 60 and 90 90 what is the relationship between the sides

Math

If a triangle has angles of 30∘30∘, 60∘60∘, and 90∘90∘, what is the relationship between the sides?

A. Equilateral
B. Isosceles
C. Scalene
D. Right-angled

The angles 30∘30∘, 60∘60∘, and 90∘90∘ are characteristic of a right-angled triangle.

If the radius of a sphere is 6 units, what is its volume?

A. 36�36π cubic units
B. 72�72π cubic units
C. 108�108π cubic units
D. 216�216π cubic units

If 5�−2=235d−2=23, what is the value of �d?

A. 5
B. 6
C. 7
D. 8

The volume of a rectangular prism is 6060 cubic units, and its dimensions are 3×4×53×4×5. What is its surface area?

A. 94 square units
B. 104 square units
C. 114 square units
D. 124 square units

What is the measure of each interior angle in a regular pentagon?

A. 60∘60∘
B. 90∘90∘
C. 108∘108∘
D. 120∘120∘

If 2�+6=182x+6=18, what is the value of �x?

A. 6
B. 7
C. 8
D. 9

What is the measure of each interior angle of a regular octagon?

A. 45∘45∘
B. 90∘90∘
C. 135∘135∘
D. 160∘160∘

What is the measure of each interior angle in a regular hexagon?

A. 90∘90∘
B. 120∘120∘
C. 135∘135∘
D. 140∘140∘

If 2�+5=152a+5=15, what is the value of �a?

A. 5
B. 6
C. 7
D. 8

The perimeter of a square is 20 units. What is the length of each side?

A. 2 units
B. 4 units
C. 5 units
D. 10 units

If 3�+2=173r+2=17, what is the value of �r?

A. 3
B. 4
C. 5
D. 6