2 years ago

PLEASE HELP I BEG IMMA FAILLLLLLLLL

Mathematics

1 answer:

damaskus [11]2 years ago

6 0

Answer:

Step-by-step explanation:

If the bigger triangle has the two congruent sides measuring 20, then the ratio of the bigger to the smaller is 20/5.6 This means that the ratio between the third side of the bigger to the third side of the smaller is 20/5.6

Setting a ratio:

20/5.6=x/4.2

Cross multiplying: 84=5.6x

x = 84/5.6 -->12/0.8 --> 15

x = 15

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