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Grade 8 - Mathematics
3.9 Area of a Scalene Triangle using Herons Formula


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: Find the area of the triangle whose sides are 4cm., 3cm. and 5cm.
24 Sq.cm.
36 Sq.cm.
None of these
6 Sq.cm.

Q 2: Find the area of the triangle whose sides are 15cm., 8cm. and 17cm.
70Sq.cm.
50Sq.cm.
60 Sq.cm.
40 Sq.cm.

Q 3: Find the area of the triangle whose sides are 12cm., 5cm. and 13cm.
35 Sq.cm.
25 Sq.cm.
30 Sq.cm.
40 Sq.cm.

Q 4: Find the area of the triangle whose sides are 30cm., 16cm. and 34cm.
250 Sq.cm.
230 Sq.cm.
240 Sq.cm.
220 Sq.cm.

Q 5: Find the area of the triangle whose sides are 105cm., 36cm. and 111cm.
1890 Sq.cm.
1830 Sq.cm.
None of these
1860 Sq.cm.

Q 6: Find the area of the triangle whose sides are 8cm., 6cm. and 10cm.
26 Sq.cm.
22 Sq.cm.
20 Sq.cm.
24 Sq.cm.

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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