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lianna [129]
3 years ago
14

An equilateral triangle has sides of length 10 cm.

Mathematics
2 answers:
fgiga [73]3 years ago
5 0

Answer:

a. 8.7cm

b. 43.5cm squared

Step-by-step explanation:

a. draw the triangle with a side length of 10cm, and measure the height which is 8.7cm.

b. formula to find the area  of a triangle: (base into height) divided by 2 ((b x h) / 2)

the base is 10

the height is 8.7

(10 x 8.7)/2 = 87/2 = 43.5 cm squared

Dafna1 [17]3 years ago
5 0
A is 8.7cm
B is 43.5 cm
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