We know that the area of parallelogram
= base x height
(a) Here, base = 20 cm and area = 246 cm2
\Area of parallelogram = base x height
⇒ 246 = 20 x height
⇒ height = 246/20
= 12.3 cm
(b) Here, height = 15 cm and area = 154.5 cm2
\ Area of parallelogram = base x height
⇒ 154.5 = base x 15
⇒ base = 154.5/15
= 10.3 cm
(c) Here, height = 8.4 cm and area = 48.72 cm2
\ Area of parallelogram = base x height
⇒ 48.72 = base x 8.4
⇒ base =48.72/8.4
= 5.8 cm
(d) Here, base = 15.6 cm and area = 16.38 cm2
\Area of parallelogram = base x height
⇒ 16.38 = 15.6 x height
⇒ height = 16.38/15.6
= 1.05 cm
Thus, the missing values are:
S. No. |
Base |
Height |
Area of the parallelogram |
a. |
20 cm |
12.3 |
246 cm2 |
b. |
10.3cm |
15 cm |
154.5 cm2 |
c. |
5.8cm |
84 cm |
48.72 cm2 |
d. |
15.6cm |
1.05 |
16.38 cm2
|