The ratio of a vertex angle to a base angle of an isosceles triangle is 5:2. How many degrees are its top angle and base angle?

The ratio of a vertex angle to a base angle of an isosceles triangle is 5:2. How many degrees are its top angle and base angle?

The ratio of the top angle to a base angle is 5:2,
Let the top angle 5x and the base angle 2x
Then 5x + 2x + 2x = 180
9x = 180
X = 20 degrees
The top angle is 100 degrees and the base angle is 40 degrees

For an isosceles triangle, the ratio of its base angle and vertex angle is 2:5. What is the top angle? Base angle and top angle

180*5/(5+2+2)=100

The degree ratio of the two inner angles of an isosceles triangle is 5:2. How many degrees are the top angle and bottom angle of this isosceles triangle?

Two answers
180÷（5+5+2）=15°
15×5=75°
15×2=30°
The top angle is 30 ° and the bottom angle is 75 °
180÷（5+2+2）=20°
20×5=100°
20×2=40°
The top angle is 100 ° and the bottom angle is 40 °

What is the base angle of a triangle equal to the base angle of a triangle? Formula calculation, explain the reason

2×180°÷（5+2+2）=40°

The ratio of the base angle to the vertex degree of an isosceles triangle is 2:5. How many degrees is the top angle of this triangle? This is an isosceles triangle

2+2+5=9
Vertex angle = 180 △ 9 × 5 = 100 °
Base angle = 180 △ 9 × 2 = 40 °
This is an obtuse isosceles triangle

The degree ratio of the top angle to the base angle of an isosceles triangle is 2:5, and the base angle of this triangle is ()

180 divided by (two plus five) times five divided by two

The ratio of the base angle to the vertex degree of an isosceles triangle is 2:5, and the top angle of this triangle is______ Degree

180×5
2+2+5，
=180×5
9，
=100 (degrees);
A: the vertex angle is 100
So the answer is: 100

The ratio of the top angle to the base angle of an isosceles triangle is 2:5, and the top angle of this triangle is______ Degree, a base angle is______ Degree

Because the ratio of the top angle to the base angle of an isosceles triangle is 2:5,
So the ratio of the three internal angles is 2:5:5,
Vertex angle: 180 × 2
2 + 5 + 5 = 30 (degree)
Base angle: 180 × 5
2 + 5 + 5 = 75 (degree)
A: the top angle of this triangle is 30 degrees and the bottom angle is 75 degrees
So the answer is: 30, 75

The ratio of the top angle to the base angle of an isosceles triangle is 2:5, and the top angle of this triangle is______ Degree, a base angle is______ Degree

Because the ratio of the top angle to the base angle of an isosceles triangle is 2:5,
So the ratio of the three internal angles is 2:5:5,
Vertex angle: 180 × 2
2 + 5 + 5 = 30 (degree)
Base angle: 180 × 5
2 + 5 + 5 = 75 (degree)
A: the top angle of this triangle is 30 degrees and the bottom angle is 75 degrees
So the answer is: 30, 75

For an isosceles triangle, the degree of its base angle and top angle is 2:5. How many degrees is the top angle?

The sum of the triangles is 180 degrees