31 km , 9km find the area of the triagle

Hope I helped! Brainlest!

Step-by-step explanation:

1/2 x 31 x 9 = 139.5 km

139.5

Step-by-step explanation:

Area of triagle = 0.5 * Al-Qaeda * height

Area= 0.5 * 31*9

Area =139.5 km^2

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

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