Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm.

Mathematics

1 answer:

4vir4ik [10]3 years ago

8 0

You should add the two bases and muliply them with the height and then divide with 2
(14+18)×10÷2=160

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Afina-wow [57]

Answer:

Area = 32m^2q

Step-by-step explanation:

Area = bh

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Part A Prove that when x > 1, a triangle with side lengths a = x2 − 1, b = 2x, and c = x2 + 1 is a right triangle. Use the Py

Nataly [62]

Step-by-step explanation:

Given : A triangle with side lengths $a = x^2-1, b = 2x, \text{ and } c = x^2 + 1$

To find : Prove that when x > 1, it is a right triangle. Use the Pythagorean theorem and the given side lengths to create an equation. Use the equation to show that this triangle follows the rule describing right triangles. Explain your steps ?

Solution :

For right triangle the Pythagorean theorem is to be satisfied.

i.e. $c^2=a^2+b^2$