Trắc Nghiệm Hình Học

In right triangle ABC with a right angle at A, which relationship does the altitude AH corresponding to the hypotenuse satisfy?

• AH² = BH · H

• AH^2 = AB · AC

• AH^2 = AB^2 + AC^2

• AH^2 = BC^2

In right triangle ABC with a right angle at A, given AB = 6, AC = 8. What is the length of the hypotenuse BC?

• 10

• 12

• 14

• 5

In right triangle ABC with a right angle at A, given BH = 4, HC = 5. What is the length of BC?

• 4

• 9

• 6

• 3

In a right triangle, the square of the leg equals:

• The sum of the squares of the other two sides

• The difference of the squares of the other two sides

• The product of the hypotenuse and the projection of that side onto the hypotenuse

• The sum of the other two sides

Given right triangle ABC with a right angle at A, altitude AH = 6, BH = 3. Calculate HC.

• 9

• 12

• 6

• 3

Given right triangle ABC with a right angle at A, AB = 8, BH = 6. What is the projection of side AC onto BC?

• 6

• 8

• 10

• 4

In a right triangle, the product of the two legs equals:

• The hypotenuse times the corresponding height

• The sum of the two projections

• The square of the hypotenuse

• The difference of the two other sides

In right triangle ABC with a right angle at A, given AB = 5, AC = 12. What is the length of the projection of AB onto the hypotenuse?

• 12

• 5

• 25/13

• 60/13

In right triangle ABC with a right angle at A, if AB = 9, AC = 12, what is the height AH?

• 10

• 7.2

• 5

• 6

In a right triangle, the projection of a leg onto the hypotenuse is calculated by:

• The square of the hypotenuse divided by that leg

• The product of the two legs

• The square of the leg divided by the hypotenuse

• The sum of the two legs