find the areas of these triangle using the correct formula
find base in long form
answer : 109.95cm2
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answer : 109.95cm2
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We can find the base by using PYTHAGORAS PROPERTY.
H² = B² + P²
25² = B² + 9²
625 = B² + 81
625 - 81 = B²
544 = B²
B = √544 = 23.32
AREA = 1/2 × B × P
= 1/2 × 9 × 23.32
= 104.94 cm²
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