the measurement of the side of a triangle are 13 cm 13 cm and 10 cm find the area of this triangle find the length of altitude on the side of length 10 cm
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Answer:
Area = 60cm²
Step-by-step explanation:
S = A+B+C ÷ 2
= 13+13+10 ÷ 2
= 36 ÷ 2
= 18
Area = √18 (18-13)(18-13)(18-10)
= √18 × 5 × 5 × 8
= √144 × 25
= 12 × 5
= 60
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