4 years ago

Find the area of a triangle with a base of 28 cm and a height of 20 cm.

Mathematics

2 answers:

DedPeter [7]4 years ago

3 0

Answer:

280 cm2

Step-by-step explanation:

28x20 equals 560, divide by two because its a triangle thus equaling 280.

steposvetlana [31]4 years ago

3 0

Answer:

280

Step-by-step explanation:

The formula for the area of a triangle is A=h*b÷2 so, we multiply 28*20 = 560, then we divide 560 ÷ 2 = 280, therefore, 280 is our answer

Hope I helped :)

You might be interested in

How do i Factorise: x² + 7x + 6

padilas [110]

Answer:

wait I will send u

fast

Manns

akama

amjaa

5 0

3 years ago

Read 2 more answers

A jar is 25 filled with water. If 750 ml more water is poured into the jar, it becomes full. What is the capacity of the jar?

suter [353]

Answer:

775 ml

Step-by-step explanation:

5 0

4 years ago

Read 2 more answers

What is the value of x?

WINSTONCH [101]

Answer:

$\large\boxed{x=8\sqrt2}$

Step-by-step explanation:

$\bold{METHOD\ 1}\\\\\text{Use the Pythagorean theorem:}\\\\leg^2+leg^2=hypotenuse^2\\\\\text{We have}\ leg=8,\ leg=8,\ hypotenuse=x.\\\text{Substitute:}\\\\x^2=8^2+8^2\\\\x^2=2(8^2)\to x=\sqrt{2(8^2)}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\x=\sqrt2\cdot\sqrt{8^2}\qquad\text{use}\ \sqrt{a^2}=a\\\\x=8\sqrt2$