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Triangle Properties and Area Calculations

Triangle Properties and Area Calculations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

In this video, Anil Kumar explains how to find the sides of a right triangle when the area and hypotenuse are given. The problem involves a right triangle ABC with a hypotenuse of 10 cm and an area of 25 cm². The video demonstrates setting up equations using the Pythagorean theorem and area formula, solving these equations, and applying the quadratic formula to find the unknown sides. The solution reveals that the triangle is isosceles with both sides measuring 5√2 cm. The video concludes with a verification of the solution and encourages viewers to engage with the content.

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the given hypotenuse length of the triangle?

15 cm

8 cm

10 cm

12 cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of the triangle?

20 cm²

35 cm²

25 cm²

30 cm²

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the variables used to represent the sides of the triangle?

A and B

P and Q

M and N

X and Y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the Pythagorean theorem, what is the equation relating X and Y?

X² - Y² = 100

X² - Y² = 50

X² + Y² = 50

X² + Y² = 100

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the area of the triangle expressed in terms of X and Y?

X * Y = 25

X * Y = 50

X * Y = 100

X * Y = 75

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression for X in terms of Y derived from the area equation?

X = 50 / Y

X = 75 / Y

X = 25 / Y

X = 100 / Y

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of equation is formed after substituting the expression for X into the Pythagorean theorem?

Cubic equation

Exponential equation

Linear equation

Quadratic equation

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