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Let’s check out your problem:
Find the
area of triangle
with base
5
cm
5\,\text{cm}
5
cm
and height
7
cm
7\,\text{cm}
7
cm
View step-by-step help
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Math Problems
Grade 6
Find missing angles in special triangles
Full solution
Q.
Find the area of triangle with base
5
cm
5\,\text{cm}
5
cm
and height
7
cm
7\,\text{cm}
7
cm
Recall formula:
Recall the formula for the
area of a triangle
.
\newline
The formula for the area of a triangle is
(
base
×
height
)
/
2
(\text{base} \times \text{height}) / 2
(
base
×
height
)
/2
.
Substitute values:
Substitute the given values into the formula.
\newline
Base =
5
cm
5\,\text{cm}
5
cm
, Height =
7
cm
7\,\text{cm}
7
cm
. So, Area =
(
5
cm
×
7
cm
)
/
2
(5\,\text{cm} \times 7\,\text{cm}) / 2
(
5
cm
×
7
cm
)
/2
.
Perform multiplication:
Perform the multiplication.
\newline
Multiply the base and height:
5
cm
×
7
cm
=
35
cm
2
5\,\text{cm} \times 7\,\text{cm} = 35\,\text{cm}^2
5
cm
×
7
cm
=
35
cm
2
.
Divide result:
Divide the result by
2
2
2
to find the area.
\newline
35
cm
2
/
2
=
17.5
cm
2
35\,\text{cm}^2 / 2 = 17.5\,\text{cm}^2
35
cm
2
/2
=
17.5
cm
2
.
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\newline
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\newline
(A) Center:
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,
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3
)
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(B) Center:
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‾
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(-17.5,15 . \overline{3})
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,
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3
)
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Radius:
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18
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‾
)
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,
−
15.
3
)
\newline
Radius:
18.1
\sqrt{18.1}
18.1
\newline
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(
17.5
,
−
15.
3
‾
)
(17.5,-15 . \overline{3})
(
17.5
,
−
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3
)
\newline
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18
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