Need help with finding the area of this figure

Mathematics

2 answers:

Vika [28.1K]3 years ago

4 0

You must find the areas of each triangle of each triangle separately using the formula a=(1/2)b•h

First triangle:

(1/2)(10)(4)=20 in.

Second triangle:

(1/2)(17)(8)=68 in.

After finding both areas, you now must add both areas together.

20+69=88 in.

The area of this shape is 88 in.

Hope that helped :)

Zigmanuir [339]3 years ago

3 0

88 is your answer 100% sure.

Please mark as brainliest- I am almost at level "Ace" :)

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Given that m angle G- 81", what is m angle I?<br> A)81"<br> B)89<br> C)91<br> D)99

seraphim [82]

Answer:

$\text{D) }99^{\circ}$

Step-by-step explanation:

Define a cyclic quadrilateral by a quadrilateral that is circumscribed by a circle. In this case, since the quadrilateral shown is circumscribed by a circle, it is a cyclic quadrilateral.

A property of all cyclic quadrilaterals is that their opposite angles are supplementary, meaning they add up to 180 degrees. Since $\angle G$ and $\angle I$ are opposite angles in the quadrilateral, they must be supplementary. Therefore, we have the equation: