find the missing value
base =?
height =30cm
area of triangle=903.6 cm square
Answers
Answered by
2
Answer:
60.24cm
Step-by-step explanation:
area=1/2*b*h
=>1/2*30*b=903.60
=>b=903.60*2/30
=>b=60.24cm
Answered by
1
We know that the area of triangle=
2
1
×base×height
In first row, base=15cm and area=87 cm
2
∴87=
2
1
×15× height
⇒ height=
15
87×2
=11.6cm
In second row, height=31.4mm and area=1256 mm
2
∴1256=
2
1
×base×31.4
⇒base=
31.4
1256×2
=80mm
In third row, base=22 cm and area=170.5 cm
2
∴170.5=
2
1
×22×height
⇒ height=
22
170.5×2
=15.5cm
Thus, the missing values are:
Base Height Area of triangle
15 cm 11.6 cm 87 cm
2
80 mm 31.4 mm 1256 mm
2
22 cm 15.5 cm 170.5 cm
2
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2
1
×base×height
In first row, base=15cm and area=87 cm
2
∴87=
2
1
×15× height
⇒ height=
15
87×2
=11.6cm
In second row, height=31.4mm and area=1256 mm
2
∴1256=
2
1
×base×31.4
⇒base=
31.4
1256×2
=80mm
In third row, base=22 cm and area=170.5 cm
2
∴170.5=
2
1
×22×height
⇒ height=
22
170.5×2
=15.5cm
Thus, the missing values are:
Base Height Area of triangle
15 cm 11.6 cm 87 cm
2
80 mm 31.4 mm 1256 mm
2
22 cm 15.5 cm 170.5 cm
2
Please mark me as Brainlyest Please as
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